31204310032 has 20 divisors (see below), whose sum is σ = 69095258176. Its totient is φ = 13373275680.

The previous prime is 31204310023. The next prime is 31204310089. The reversal of 31204310032 is 23001340213.

It is a junction number, because it is equal to n+sod(n) for n = 31204309991 and 31204310009.

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 3 ways as a sum of consecutive naturals, for example, 139304844 + ... + 139305067.

Almost surely, 2^31204310032 is an apocalyptic number.

It is an amenable number.

31204310032 is an abundant number, since it is smaller than the sum of its proper divisors (37890948144).

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

31204310032 is a wasteful number, since it uses less digits than its factorization.

31204310032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278609926 (or 278609920 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31204310032 its reverse (23001340213), we get a palindrome (54205650245).

The spelling of 31204310032 in words is "thirty-one billion, two hundred four million, three hundred ten thousand, thirty-two".