31368040546857 has 24 divisors (see below), whose sum is σ = 48751559700192. Its totient is φ = 17888088254400.

The previous prime is 31368040546853. The next prime is 31368040546901. The reversal of 31368040546857 is 75864504086313.

It is not a de Polignac number, because 31368040546857 - 2² = 31368040546853 is a prime.

It is a super-2 number, since 2×31368040546857² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31368040546857.

It is not an unprimeable number, because it can be changed into a prime (31368040546853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217227244 + ... + 217371597.

It is an arithmetic number, because the mean of its divisors is an integer number (2031314987508).

Almost surely, 2^{31368040546857} is an apocalyptic number.

It is an amenable number.

31368040546857 is a deficient number, since it is larger than the sum of its proper divisors (17383519153335).

31368040546857 is a wasteful number, since it uses less digits than its factorization.

31368040546857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434599349 (or 434599342 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 60.

The spelling of 31368040546857 in words is "thirty-one trillion, three hundred sixty-eight billion, forty million, five hundred forty-six thousand, eight hundred fifty-seven".