13231311404 has 6 divisors (see below), whose sum is σ = 23154794964. Its totient is φ = 6615655700.

The previous prime is 13231311397. The next prime is 13231311421. The reversal of 13231311404 is 40411313231.

It is a self number, because there is not a number n which added to its sum of digits gives 13231311404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1653913922 + ... + 1653913929.

It is an arithmetic number, because the mean of its divisors is an integer number (3859132494).

Almost surely, 2^13231311404 is an apocalyptic number.

It is an amenable number.

13231311404 is a deficient number, since it is larger than the sum of its proper divisors (9923483560).

13231311404 is a wasteful number, since it uses less digits than its factorization.

13231311404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307827855 (or 3307827853 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13231311404 its reverse (40411313231), we get a palindrome (53642624635).

The spelling of 13231311404 in words is "thirteen billion, two hundred thirty-one million, three hundred eleven thousand, four hundred four".