diff --git a/lib/numbers_and_words/i18n/locales/numbers.es.yml b/lib/numbers_and_words/i18n/locales/numbers.es.yml
index 3f5522c6..f3542ddf 100644
--- a/lib/numbers_and_words/i18n/locales/numbers.es.yml
+++ b/lib/numbers_and_words/i18n/locales/numbers.es.yml
@@ -44,7 +44,7 @@ es:
       one: septillón
       other: septillones
     quattuordecillions: mil septillones
-    union_separator: con
+    union: y
     micro: [_, tenths, hundredths, thousandths, millionths, billionths, trillionths, quadrillionths, quintillionths, sextillionths, septillionths, octillionths, nonillionths, decillionths, undecillionths, duodecillionths, tredecillionths, quattuordecillionths]
     micro_prefix:
       tens: diez
@@ -100,4 +100,4 @@ es:
     quattuordecillionths:
       one: milseptillonésima
       other: milseptillonésimas
-    union: y
+    union_separator: con
diff --git a/lib/numbers_and_words/strategies/figures_converter/languages/es.rb b/lib/numbers_and_words/strategies/figures_converter/languages/es.rb
index 9cf2e5a7..9a1ebbf9 100644
--- a/lib/numbers_and_words/strategies/figures_converter/languages/es.rb
+++ b/lib/numbers_and_words/strategies/figures_converter/languages/es.rb
@@ -66,7 +66,7 @@ def hundred_apocopated?
           def gender
             @current_capacity ||= 0
 
-            return 'male'.to_sym if @current_capacity >= 2
+            return :male if @current_capacity >= 2
             @options.gender.result
           end
 
diff --git a/lib/numbers_and_words/strategies/figures_converter/options/en/ordinal.rb b/lib/numbers_and_words/strategies/figures_converter/options/en/ordinal.rb
index 8ff6621b..e4ed3265 100644
--- a/lib/numbers_and_words/strategies/figures_converter/options/en/ordinal.rb
+++ b/lib/numbers_and_words/strategies/figures_converter/options/en/ordinal.rb
@@ -34,7 +34,8 @@ def check_megs_numbers
 
             def simple_numbers_condition
               current_capacity.nil? &&
-                (HUNDRED_TYPE != @type || (HUNDRED_TYPE == @type && simple_number_to_words.empty?))
+                (HUNDRED_TYPE != @type ||
+                 HUNDRED_TYPE == @type && simple_number_to_words.empty?)
             end
 
             def megs_numbers_condition
diff --git a/lib/numbers_and_words/strategies/figures_converter/options/hu/ordinal.rb b/lib/numbers_and_words/strategies/figures_converter/options/hu/ordinal.rb
index 63600efa..01aa0e5c 100644
--- a/lib/numbers_and_words/strategies/figures_converter/options/hu/ordinal.rb
+++ b/lib/numbers_and_words/strategies/figures_converter/options/hu/ordinal.rb
@@ -34,7 +34,8 @@ def check_megs_numbers
 
             def simple_numbers_condition
               current_capacity.nil? &&
-                (HUNDRED_TYPE != @type || (HUNDRED_TYPE == @type && simple_number_to_words.empty?))
+                (HUNDRED_TYPE != @type ||
+                 HUNDRED_TYPE == @type && simple_number_to_words.empty?)
             end
 
             def megs_numbers_condition
diff --git a/lib/numbers_and_words/translations/es.rb b/lib/numbers_and_words/translations/es.rb
index 6ba99028..28b0572b 100644
--- a/lib/numbers_and_words/translations/es.rb
+++ b/lib/numbers_and_words/translations/es.rb
@@ -10,7 +10,8 @@ def zero(_options = {})
 
       def ones(number, options = {})
         return if options[:is_one_thousand]
-        return t(%i[ones apocopated].join('.')) if options[:is_apocopated]
+        return t(%i[ones apocopated].join('.')) if number == 1 &&
+                                                   options[:is_apocopated]
         t([:ones, options[:gender]].join('.'))[number]
       end
 
@@ -20,12 +21,9 @@ def twenties_with_ones(numbers, options = {})
       end
 
       def tens_with_ones(numbers, options = {})
-        ones_number = if options[:is_apocopated] && numbers[0] == 1
-                        t(%i[ones apocopated].join('.'))
-                      else
-                        t([:ones, options[:gender]].join('.'))[numbers[0]]
-                      end
-        [tens(numbers[1], alone: false), t(:union), ones_number].join(' ')
+        [tens(numbers[1], alone: false),
+         t(:union),
+         ones(numbers[0], options)].join(' ')
       end
 
       def hundreds(number, options = {})
diff --git a/spec/numbers_and_words/integer/fixture_examples/es.yml b/spec/numbers_and_words/integer/fixture_examples/es.yml
index 0a6fe1c2..94b2d3c4 100644
--- a/spec/numbers_and_words/integer/fixture_examples/es.yml
+++ b/spec/numbers_and_words/integer/fixture_examples/es.yml
@@ -97,6 +97,7 @@ to_words:
       :gender: female
     1: una
     21: veintiuna
+    31: treinta y una
     101: ciento una
     900: novecientas
     999: novecientas noventa y nueve
@@ -112,3 +113,8 @@ to_words:
     31: treinta y un
     100: cien
     101: ciento un
+  female and apocopated form:
+    options:
+      :gender: female
+      :apocopated: true
+    901: novecientas un