Hecho general: 11831 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 11831 is a boring number.
Trivia: 11831 is an uninteresting number.
Fecha histórica: May 22nd is the day in 2008 that the Late-May 2008 tornado outbreak sequence unleashes 235 tornadoes, including an EF4 and an EF5 tornado, between May 22 and May 31, 2008.