31246664050957 has 12 divisors (see below), whose sum is σ = 33337769953780. Its totient is φ = 29280202983936.

The previous prime is 31246664050951. The next prime is 31246664050961. The reversal of 31246664050957 is 75905046664213.

It can be written as a sum of positive squares in 6 ways, for example, as 5057591690281 + 26189072360676 = 2248909^2 + 5117526^2 .

It is a de Polignac number, because none of the positive numbers 2^k-31246664050957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31246664050951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236003568 + ... + 236135929.

Almost surely, 2^{31246664050957} is an apocalyptic number.

It is an amenable number.

31246664050957 is a deficient number, since it is larger than the sum of its proper divisors (2091105902823).

31246664050957 is a wasteful number, since it uses less digits than its factorization.

31246664050957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472139760 (or 472139743 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 31246664050957 in words is "thirty-one trillion, two hundred forty-six billion, six hundred sixty-four million, fifty thousand, nine hundred fifty-seven".