31368540483864 has 24 divisors (see below), whose sum is σ = 84956463810660. Its totient is φ = 10456180161264.

The previous prime is 31368540483827. The next prime is 31368540483913. The reversal of 31368540483864 is 46838404586313.

It is a happy number.

31368540483864 is a `hidden beast` number, since 3 + 1 + 3 + 6 + 8 + 540 + 4 + 8 + 3 + 86 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×31368540483864² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217837086622 + ... + 217837086765.

Almost surely, 2^{31368540483864} is an apocalyptic number.

It is an amenable number.

31368540483864 is an abundant number, since it is smaller than the sum of its proper divisors (53587923326796).

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

31368540483864 is a wasteful number, since it uses less digits than its factorization.

31368540483864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435674173399 (or 435674173392 counting only the distinct ones).

The product of its (nonzero) digits is 159252480, while the sum is 63.

The spelling of 31368540483864 in words is "thirty-one trillion, three hundred sixty-eight billion, five hundred forty million, four hundred eighty-three thousand, eight hundred sixty-four".