31363532812 has 12 divisors (see below), whose sum is σ = 56162605576. Its totient is φ = 15317074080.

The previous prime is 31363532801. The next prime is 31363532819. The reversal of 31363532812 is 21823536313.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (31363532819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91172889 + ... + 91173232.

Almost surely, 2^31363532812 is an apocalyptic number.

It is an amenable number.

31363532812 is a deficient number, since it is larger than the sum of its proper divisors (24799072764).

31363532812 is a wasteful number, since it uses less digits than its factorization.

31363532812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182346168 (or 182346166 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The spelling of 31363532812 in words is "thirty-one billion, three hundred sixty-three million, five hundred thirty-two thousand, eight hundred twelve".