13513106031 has 8 divisors (see below), whose sum is σ = 18045498240. Its totient is φ = 8994725592.

The previous prime is 13513105999. The next prime is 13513106093. The reversal of 13513106031 is 13060131531.

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

It is not a de Polignac number, because 13513106031 - 2⁵ = 13513105999 is a prime.

It is a super-2 number, since 2×13513106031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13513105992 and 13513106010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13513116031) 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, 3500691 + ... + 3504548.

It is an arithmetic number, because the mean of its divisors is an integer number (2255687280).

Almost surely, 2^13513106031 is an apocalyptic number.

13513106031 is a deficient number, since it is larger than the sum of its proper divisors (4532392209).

13513106031 is an equidigital number, since it uses as much as digits as its factorization.

13513106031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005885.

The product of its (nonzero) digits is 810, while the sum is 24.

Adding to 13513106031 its reverse (13060131531), we get a palindrome (26573237562).

The spelling of 13513106031 in words is "thirteen billion, five hundred thirteen million, one hundred six thousand, thirty-one".