31503464964 has 72 divisors (see below), whose sum is σ = 83459463360. Its totient is φ = 10000660032.

The previous prime is 31503464959. The next prime is 31503464981. The reversal of 31503464964 is 46946430513.

31503464964 is a `hidden beast` number, since 3 + 1 + 503 + 46 + 49 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106539 + ... + 272685.

Almost surely, 2^31503464964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31503464964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41729731680).

31503464964 is an abundant number, since it is smaller than the sum of its proper divisors (51955998396).

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

31503464964 is a wasteful number, since it uses less digits than its factorization.

31503464964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166409 (or 166404 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 31503464964 in words is "thirty-one billion, five hundred three million, four hundred sixty-four thousand, nine hundred sixty-four".