It is a happy number.
It is a plaindrome in base 13.
It is a nialpdrome in base 2 and base 8.
It is a zygodrome in base 2.
It is a congruent number.
231744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31744 is an equidigital number, since it uses as much as digits as its factorization.
31744 is an odious number, because the sum of its binary digits is odd.
The square root of 31744 is about 178.1684596106. The cubic root of 31744 is about 31.6631328774.
The spelling of 31744 in words is "thirty-one thousand, seven hundred forty-four".