13120231104 has 42 divisors (see below), whose sum is σ = 37606775180. Its totient is φ = 4373410176.

The previous prime is 13120231093. The next prime is 13120231133. The reversal of 13120231104 is 40113202131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11388514 + ... + 11389665.

Almost surely, 2^13120231104 is an apocalyptic number.

It is an amenable number.

13120231104 is an abundant number, since it is smaller than the sum of its proper divisors (24486544076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13120231104 is a wasteful number, since it uses less digits than its factorization.

13120231104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22778197 (or 22778184 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13120231104 its reverse (40113202131), we get a palindrome (53233433235).

The spelling of 13120231104 in words is "thirteen billion, one hundred twenty million, two hundred thirty-one thousand, one hundred four".