31754612457 has 12 divisors (see below), whose sum is σ = 45939338484. Its totient is φ = 21136711680.

The previous prime is 31754612419. The next prime is 31754612459. The reversal of 31754612457 is 75421645713.

31754612457 is a `hidden beast` number, since 31 + 7 + 546 + 1 + 24 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23181889536 + 8572722921 = 152256^2 + 92589^2 .

It is not a de Polignac number, because 31754612457 - 2¹⁰ = 31754611433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31754612459) 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, 2746408 + ... + 2757945.

It is an arithmetic number, because the mean of its divisors is an integer number (3828278207).

Almost surely, 2^31754612457 is an apocalyptic number.

It is an amenable number.

31754612457 is a deficient number, since it is larger than the sum of its proper divisors (14184726027).

31754612457 is a wasteful number, since it uses less digits than its factorization.

31754612457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5505000 (or 5504997 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The spelling of 31754612457 in words is "thirty-one billion, seven hundred fifty-four million, six hundred twelve thousand, four hundred fifty-seven".