272431799631 has 24 divisors (see below), whose sum is σ = 408338554624. Its totient is φ = 181509306840.

The previous prime is 272431799617. The next prime is 272431799699. The reversal of 272431799631 is 136997134272.

272431799631 is a `hidden beast` number, since 27 + 2 + 431 + 79 + 96 + 31 = 666.

It is not a de Polignac number, because 272431799631 - 2⁶ = 272431799567 is a prime.

It is a super-2 number, since 2×272431799631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272431799531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50826 + ... + 739896.

Almost surely, 2^272431799631 is an apocalyptic number.

272431799631 is a deficient number, since it is larger than the sum of its proper divisors (135906754993).

272431799631 is an equidigital number, since it uses as much as digits as its factorization.

272431799631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690713 (or 690701 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The spelling of 272431799631 in words is "two hundred seventy-two billion, four hundred thirty-one million, seven hundred ninety-nine thousand, six hundred thirty-one".