631314057 has 32 divisors (see below), whose sum is σ = 974139264. Its totient is φ = 359424000.

The previous prime is 631314053. The next prime is 631314067. The reversal of 631314057 is 750413136.

It is not a de Polignac number, because 631314057 - 2² = 631314053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631314053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525057 + ... + 526257.

It is an arithmetic number, because the mean of its divisors is an integer number (30441852).

Almost surely, 2^631314057 is an apocalyptic number.

It is an amenable number.

631314057 is a deficient number, since it is larger than the sum of its proper divisors (342825207).

631314057 is a wasteful number, since it uses less digits than its factorization.

631314057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 631314057 is about 25125.9638024097. The cubic root of 631314057 is about 857.8575012885.

The spelling of 631314057 in words is "six hundred thirty-one million, three hundred fourteen thousand, fifty-seven".