Hecho general: 8031 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 8031 is a boring number.
Trivia: 8031 is a boring number.
Fecha histórica: December 26th is the day in 1790 that Louis XVI of France gives his public assent to Civil Constitution of the Clergy during the French Revolution.