Il numero 123131021, centoventitré milioni centotrentunomilaventuno in Italiano, in Inglese si dice one hundred twenty-three million one hundred thirty-one thousand twenty-one.
Il numero ordinale 123131021° in inglese si dice one hundred twenty-three million one hundred thirty-one thousand twenty-first.
123131012: one hundred twenty-three million one hundred thirty-one thousand twelve
123131013: one hundred twenty-three million one hundred thirty-one thousand thirteen
123131014: one hundred twenty-three million one hundred thirty-one thousand fourteen
123131015: one hundred twenty-three million one hundred thirty-one thousand fifteen
123131016: one hundred twenty-three million one hundred thirty-one thousand sixteen
123131017: one hundred twenty-three million one hundred thirty-one thousand seventeen
123131018: one hundred twenty-three million one hundred thirty-one thousand eighteen
123131019: one hundred twenty-three million one hundred thirty-one thousand nineteen
123131020: one hundred twenty-three million one hundred thirty-one thousand twenty