13231333312 has 28 divisors (see below), whose sum is σ = 26417027176. Its totient is φ = 6575074560.

The previous prime is 13231333289. The next prime is 13231333321. The reversal of 13231333312 is 21333313231.

It is a congruent number.

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, 623739 + ... + 644602.

Almost surely, 2^13231333312 is an apocalyptic number.

It is an amenable number.

13231333312 is a deficient number, since it is larger than the sum of its proper divisors (13185693864).

13231333312 is a wasteful number, since it uses less digits than its factorization.

13231333312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268516 (or 1268506 counting only the distinct ones).

The product of its digits is 2916, while the sum is 25.

Adding to 13231333312 its reverse (21333313231), we get a palindrome (34564646543).

The spelling of 13231333312 in words is "thirteen billion, two hundred thirty-one million, three hundred thirty-three thousand, three hundred twelve".