It is a nialpdrome in base 8.
It is a congruent number.
It is an unprimeable number.
31552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
231552 is an apocalyptic number.
31552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 31552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34290).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31552 is a wasteful number, since it uses less digits than its factorization.
31552 is an odious number, because the sum of its binary digits is odd.
The square root of 31552 is about 177.6288264894. The cubic root of 31552 is about 31.5991667782.
The spelling of 31552 in words is "thirty-one thousand, five hundred fifty-two".