2056754231631 has 40 divisors (see below), whose sum is σ = 3353141328768. Its totient is φ = 1245999402000.

The previous prime is 2056754231537. The next prime is 2056754231633. The reversal of 2056754231631 is 1361324576502.

2056754231631 is a `hidden beast` number, since 2 + 0 + 5 + 6 + 7 + 5 + 4 + 2 + 3 + 1 + 631 = 666.

It is not a de Polignac number, because 2056754231631 - 2¹⁴ = 2056754215247 is a prime.

It is a super-2 number, since 2×2056754231631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056754231633) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1669486 + ... + 2626916.

Almost surely, 2^{2056754231631} is an apocalyptic number.

2056754231631 is a deficient number, since it is larger than the sum of its proper divisors (1296387097137).

2056754231631 is a wasteful number, since it uses less digits than its factorization.

2056754231631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959865 (or 959856 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 2056754231631 in words is "two trillion, fifty-six billion, seven hundred fifty-four million, two hundred thirty-one thousand, six hundred thirty-one".