13231313312304 has 20 divisors (see below), whose sum is σ = 34180892723576. Its totient is φ = 4410437770752.

The previous prime is 13231313312303. The next prime is 13231313312359. The reversal of 13231313312304 is 40321331313231.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13231313312303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137826180289 + ... + 137826180384.

Almost surely, 2^{13231313312304} is an apocalyptic number.

It is an amenable number.

13231313312304 is an abundant number, since it is smaller than the sum of its proper divisors (20949579411272).

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

13231313312304 is a wasteful number, since it uses less digits than its factorization.

13231313312304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275652360684 (or 275652360678 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 13231313312304 its reverse (40321331313231), we get a palindrome (53552644625535).

The spelling of 13231313312304 in words is "thirteen trillion, two hundred thirty-one billion, three hundred thirteen million, three hundred twelve thousand, three hundred four".