Hecho general: 63219 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 63219 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 63219 is a boring number.
Fecha histórica: January 31st is the day in 1953 that a North Sea flood causes over 1,800 deaths in the Netherlands and over 300 in the United Kingdom.