5631311457 has 8 divisors (see below), whose sum is σ = 8342683680. Its totient is φ = 3754207620.

The previous prime is 5631311443. The next prime is 5631311509. The reversal of 5631311457 is 7541131365.

5631311457 is a `hidden beast` number, since 5 + 631 + 3 + 1 + 14 + 5 + 7 = 666.

It is not a de Polignac number, because 5631311457 - 2⁶ = 5631311393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5631311857) 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, 104283519 + ... + 104283572.

It is an arithmetic number, because the mean of its divisors is an integer number (1042835460).

Almost surely, 2^5631311457 is an apocalyptic number.

It is an amenable number.

5631311457 is a deficient number, since it is larger than the sum of its proper divisors (2711372223).

5631311457 is a wasteful number, since it uses less digits than its factorization.

5631311457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208567100 (or 208567094 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 5631311457 is about 75042.0645838053. The cubic root of 5631311457 is about 1779.1115644852. Note that the first 3 decimals are identical.

The spelling of 5631311457 in words is "five billion, six hundred thirty-one million, three hundred eleven thousand, four hundred fifty-seven".