31050612864 has 48 divisors (see below), whose sum is σ = 89351376270. Its totient is φ = 10350203904.

The previous prime is 31050612851. The next prime is 31050612893. The reversal of 31050612864 is 46821605013.

It is a happy number.

31050612864 is a `hidden beast` number, since 31 + 0 + 5 + 0 + 612 + 8 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23925902400 + 7124710464 = 154680^2 + 84408^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13475677 + ... + 13477980.

Almost surely, 2^31050612864 is an apocalyptic number.

It is an amenable number.

31050612864 is an abundant number, since it is smaller than the sum of its proper divisors (58300763406).

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

31050612864 is a wasteful number, since it uses less digits than its factorization.

31050612864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26953677 (or 26953662 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 31050612864 in words is "thirty-one billion, fifty million, six hundred twelve thousand, eight hundred sixty-four".