13231044320313 has 16 divisors (see below), whose sum is σ = 18389027131200. Its totient is φ = 8451522555840.

The previous prime is 13231044320311. The next prime is 13231044320341. The reversal of 13231044320313 is 31302344013231.

It is not a de Polignac number, because 13231044320313 - 2¹ = 13231044320311 is a prime.

It is a super-2 number, since 2×13231044320313² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13231044320311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 580450318 + ... + 580473111.

It is an arithmetic number, because the mean of its divisors is an integer number (1149314195700).

Almost surely, 2^{13231044320313} is an apocalyptic number.

It is an amenable number.

13231044320313 is a deficient number, since it is larger than the sum of its proper divisors (5157982810887).

13231044320313 is a wasteful number, since it uses less digits than its factorization.

13231044320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160923592.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 13231044320313 its reverse (31302344013231), we get a palindrome (44533388333544).

The spelling of 13231044320313 in words is "thirteen trillion, two hundred thirty-one billion, forty-four million, three hundred twenty thousand, three hundred thirteen".