31623961484864 has 112 divisors (see below), whose sum is σ = 75408104825856. Its totient is φ = 12864898675200.

The previous prime is 31623961484837. The next prime is 31623961484881. The reversal of 31623961484864 is 46848416932613.

It is a tau number, because it is divible by the number of its divisors (112).

It is a self number, because there is not a number n which added to its sum of digits gives 31623961484864.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10364282 + ... + 13063929.

Almost surely, 2^{31623961484864} is an apocalyptic number.

It is an amenable number.

31623961484864 is an abundant number, since it is smaller than the sum of its proper divisors (43784143340992).

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

31623961484864 is a wasteful number, since it uses less digits than its factorization.

31623961484864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23428384 (or 23428374 counting only the distinct ones).

The product of its digits is 143327232, while the sum is 65.

The spelling of 31623961484864 in words is "thirty-one trillion, six hundred twenty-three billion, nine hundred sixty-one million, four hundred eighty-four thousand, eight hundred sixty-four".