13004631031 has 4 divisors (see below), whose sum is σ = 14862435472. Its totient is φ = 11146826592.

The previous prime is 13004630999. The next prime is 13004631061. The reversal of 13004631031 is 13013640031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13004631031 - 2⁵ = 13004630999 is a prime.

It is a super-2 number, since 2×13004631031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13004630993 and 13004631011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004631061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928902210 + ... + 928902223.

It is an arithmetic number, because the mean of its divisors is an integer number (3715608868).

Almost surely, 2^13004631031 is an apocalyptic number.

13004631031 is a deficient number, since it is larger than the sum of its proper divisors (1857804441).

13004631031 is an equidigital number, since it uses as much as digits as its factorization.

13004631031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857804440.

The product of its (nonzero) digits is 648, while the sum is 22.

The spelling of 13004631031 in words is "thirteen billion, four million, six hundred thirty-one thousand, thirty-one".