31032013232 has 40 divisors (see below), whose sum is σ = 65610300672. Its totient is φ = 14101179200.

The previous prime is 31032013217. The next prime is 31032013253. The reversal of 31032013232 is 23231023013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595757 + ... + 645747.

Almost surely, 2^31032013232 is an apocalyptic number.

It is an amenable number.

31032013232 is an abundant number, since it is smaller than the sum of its proper divisors (34578287440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31032013232 is a wasteful number, since it uses less digits than its factorization.

31032013232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53537 (or 53531 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 31032013232 its reverse (23231023013), we get a palindrome (54263036245).

The spelling of 31032013232 in words is "thirty-one billion, thirty-two million, thirteen thousand, two hundred thirty-two".