31374057136 has 40 divisors (see below), whose sum is σ = 61483530080. Its totient is φ = 15507707904.

The previous prime is 31374057119. The next prime is 31374057137. The reversal of 31374057136 is 63175047313.

It is a super-2 number, since 2×31374057136² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31374057137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415290 + ... + 1437286.

It is an arithmetic number, because the mean of its divisors is an integer number (1537088252).

Almost surely, 2^31374057136 is an apocalyptic number.

It is an amenable number.

31374057136 is a deficient number, since it is larger than the sum of its proper divisors (30109472944).

31374057136 is a wasteful number, since it uses less digits than its factorization.

31374057136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23021 (or 23015 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 31374057136 in words is "thirty-one billion, three hundred seventy-four million, fifty-seven thousand, one hundred thirty-six".