13013231103 has 12 divisors (see below), whose sum is σ = 19445058360. Its totient is φ = 8376332496.

The previous prime is 13013231093. The next prime is 13013231117. The reversal of 13013231103 is 30113231031.

It is a happy number.

It is not a de Polignac number, because 13013231103 - 2⁸ = 13013230847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013231183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24929301 + ... + 24929822.

It is an arithmetic number, because the mean of its divisors is an integer number (1620421530).

Almost surely, 2^13013231103 is an apocalyptic number.

13013231103 is a deficient number, since it is larger than the sum of its proper divisors (6431827257).

13013231103 is a wasteful number, since it uses less digits than its factorization.

13013231103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49859158 (or 49859155 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13013231103 its reverse (30113231031), we get a palindrome (43126462134).

The spelling of 13013231103 in words is "thirteen billion, thirteen million, two hundred thirty-one thousand, one hundred three".