It is a nialpdrome in base 8 and base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 31450.
It is an unprimeable number.
231450 is an apocalyptic number.
31450 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31450 is a wasteful number, since it uses less digits than its factorization.
31450 is an evil number, because the sum of its binary digits is even.
The square root of 31450 is about 177.3414785097. The cubic root of 31450 is about 31.5650791932.
Adding to 31450 its reverse (5413), we get a palindrome (36863).
The spelling of 31450 in words is "thirty-one thousand, four hundred fifty".