31616576057 has 12 divisors (see below), whose sum is σ = 34765851540. Its totient is φ = 28730972160.

The previous prime is 31616576053. The next prime is 31616576093. The reversal of 31616576057 is 75067561613.

It can be written as a sum of positive squares in 2 ways, for example, as 20904533056 + 10712043001 = 144584^2 + 103499^2 .

It is not a de Polignac number, because 31616576057 - 2² = 31616576053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31616576053) 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, 263369 + ... + 364137.

It is an arithmetic number, because the mean of its divisors is an integer number (2897154295).

Almost surely, 2^31616576057 is an apocalyptic number.

It is an amenable number.

31616576057 is a deficient number, since it is larger than the sum of its proper divisors (3149275483).

31616576057 is a wasteful number, since it uses less digits than its factorization.

31616576057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103384 (or 103373 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 31616576057 in words is "thirty-one billion, six hundred sixteen million, five hundred seventy-six thousand, fifty-seven".