31054631069 has 16 divisors (see below), whose sum is σ = 39507619200. Its totient is φ = 24198410880.

The previous prime is 31054631059. The next prime is 31054631077. The reversal of 31054631069 is 96013645013.

It is not a de Polignac number, because 31054631069 - 2²⁸ = 30786195613 is a prime.

It is a super-2 number, since 2×31054631069² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31054631059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111604 + ... + 4119149.

It is an arithmetic number, because the mean of its divisors is an integer number (2469226200).

Almost surely, 2^31054631069 is an apocalyptic number.

It is an amenable number.

31054631069 is a deficient number, since it is larger than the sum of its proper divisors (8452988131).

31054631069 is an equidigital number, since it uses as much as digits as its factorization.

31054631069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8230785 (or 8230771 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The spelling of 31054631069 in words is "thirty-one billion, fifty-four million, six hundred thirty-one thousand, sixty-nine".