13231311102 has 24 divisors (see below), whose sum is σ = 28722675384. Its totient is φ = 4402000944.

The previous prime is 13231311077. The next prime is 13231311211. The reversal of 13231311102 is 20111313231.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 693333 + ... + 712160.

It is an arithmetic number, because the mean of its divisors is an integer number (1196778141).

Almost surely, 2^13231311102 is an apocalyptic number.

13231311102 is an abundant number, since it is smaller than the sum of its proper divisors (15491364282).

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

13231311102 is a wasteful number, since it uses less digits than its factorization.

13231311102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1406024 (or 1406021 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13231311102 its reverse (20111313231), we get a palindrome (33342624333).

The spelling of 13231311102 in words is "thirteen billion, two hundred thirty-one million, three hundred eleven thousand, one hundred two".