13312131244 has 12 divisors (see below), whose sum is σ = 23306071768. Its totient is φ = 6653253600.

The previous prime is 13312131233. The next prime is 13312131251. The reversal of 13312131244 is 44213121331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692337 + ... + 711304.

Almost surely, 2^13312131244 is an apocalyptic number.

It is an amenable number.

13312131244 is a deficient number, since it is larger than the sum of its proper divisors (9993940524).

13312131244 is a wasteful number, since it uses less digits than its factorization.

13312131244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406016 (or 1406014 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

Adding to 13312131244 its reverse (44213121331), we get a palindrome (57525252575).

The spelling of 13312131244 in words is "thirteen billion, three hundred twelve million, one hundred thirty-one thousand, two hundred forty-four".