13231304344 has 32 divisors (see below), whose sum is σ = 24975695520. Its totient is φ = 6571192576.

The previous prime is 13231304309. The next prime is 13231304363. The reversal of 13231304344 is 44340313231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688724 + ... + 1696540.

It is an arithmetic number, because the mean of its divisors is an integer number (780490485).

Almost surely, 2^13231304344 is an apocalyptic number.

It is an amenable number.

13231304344 is a deficient number, since it is larger than the sum of its proper divisors (11744391176).

13231304344 is a wasteful number, since it uses less digits than its factorization.

13231304344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9219 (or 9215 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 13231304344 its reverse (44340313231), we get a palindrome (57571617575).

The spelling of 13231304344 in words is "thirteen billion, two hundred thirty-one million, three hundred four thousand, three hundred forty-four".