31500969484 has 12 divisors (see below), whose sum is σ = 55268413200. Its totient is φ = 15709994288.

The previous prime is 31500969473. The next prime is 31500969503. The reversal of 31500969484 is 48496900513.

It is a happy number.

It is a super-2 number, since 2×31500969484² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10120864 + ... + 10123975.

It is an arithmetic number, because the mean of its divisors is an integer number (4605701100).

Almost surely, 2^31500969484 is an apocalyptic number.

It is an amenable number.

31500969484 is a deficient number, since it is larger than the sum of its proper divisors (23767443716).

31500969484 is a wasteful number, since it uses less digits than its factorization.

31500969484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245232 (or 20245230 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 31500969484 in words is "thirty-one billion, five hundred million, nine hundred sixty-nine thousand, four hundred eighty-four".