31374831016 has 16 divisors (see below), whose sum is σ = 59202509940. Its totient is φ = 15587495040.

The previous prime is 31374830983. The next prime is 31374831017. The reversal of 31374831016 is 61013847313.

It can be written as a sum of positive squares in 2 ways, for example, as 29353968900 + 2020862116 = 171330^2 + 44954^2 .

It is not an unprimeable number, because it can be changed into a prime (31374831017) 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 3 ways as a sum of consecutive naturals, for example, 12488725 + ... + 12491236.

Almost surely, 2^31374831016 is an apocalyptic number.

It is an amenable number.

31374831016 is a deficient number, since it is larger than the sum of its proper divisors (27827678924).

31374831016 is a wasteful number, since it uses less digits than its factorization.

31374831016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980124 (or 24980120 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 31374831016 in words is "thirty-one billion, three hundred seventy-four million, eight hundred thirty-one thousand, sixteen".