31234532 has 12 divisors (see below), whose sum is σ = 62469120. Its totient is φ = 13386216.

The previous prime is 31234523. The next prime is 31234561. The reversal of 31234532 is 23543213.

31234532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 31234498 and 31234507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557732 + ... + 557787.

It is an arithmetic number, because the mean of its divisors is an integer number (5205760).

Almost surely, 2^31234532 is an apocalyptic number.

It is an amenable number.

31234532 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.

31234532 is a wasteful number, since it uses less digits than its factorization.

31234532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115530 (or 1115528 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 31234532 is about 5588.7862725282. The cubic root of 31234532 is about 314.9282846734.

Adding to 31234532 its reverse (23543213), we get a palindrome (54777745).

The spelling of 31234532 in words is "thirty-one million, two hundred thirty-four thousand, five hundred thirty-two".