10971291631 has 8 divisors (see below), whose sum is σ = 11228856320. Its totient is φ = 10713836952.

The previous prime is 10971291601. The next prime is 10971291637. The reversal of 10971291631 is 13619217901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10971291631 - 2⁹ = 10971291119 is a prime.

It is a super-2 number, since 2×10971291631² (a number of 21 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 (10971291637) 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, 195196 + ... + 245038.

It is an arithmetic number, because the mean of its divisors is an integer number (1403607040).

Almost surely, 2^10971291631 is an apocalyptic number.

10971291631 is a deficient number, since it is larger than the sum of its proper divisors (257564689).

10971291631 is an equidigital number, since it uses as much as digits as its factorization.

10971291631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55005.

The product of its (nonzero) digits is 20412, while the sum is 40.

The spelling of 10971291631 in words is "ten billion, nine hundred seventy-one million, two hundred ninety-one thousand, six hundred thirty-one".