Il numero 231, duecentotrentuno in Italiano, in Inglese si dice two hundred thirty-one.
Il numero ordinale 231° in inglese si dice two hundred thirty-first.
222: two hundred twenty-two
223: two hundred twenty-three
224: two hundred twenty-four
225: two hundred twenty-five
226: two hundred twenty-six
227: two hundred twenty-seven
228: two hundred twenty-eight
229: two hundred twenty-nine
230: two hundred thirty
232: two hundred thirty-two
233: two hundred thirty-three
234: two hundred thirty-four
235: two hundred thirty-five
236: two hundred thirty-six
237: two hundred thirty-seven
238: two hundred thirty-eight
239: two hundred thirty-nine
240: two hundred forty