13131322313 has 8 divisors (see below), whose sum is σ = 13824037920. Its totient is φ = 12438766080.

The previous prime is 13131322307. The next prime is 13131322331. The reversal of 13131322313 is 31322313131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13131322313 - 2¹⁸ = 13131060169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13131322513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153353 + ... + 223113.

It is an arithmetic number, because the mean of its divisors is an integer number (1728004740).

Almost surely, 2^13131322313 is an apocalyptic number.

It is an amenable number.

13131322313 is a deficient number, since it is larger than the sum of its proper divisors (692715607).

13131322313 is an equidigital number, since it uses as much as digits as its factorization.

13131322313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79687.

The product of its digits is 972, while the sum is 23.

Adding to 13131322313 its reverse (31322313131), we get a palindrome (44453635444).

The spelling of 13131322313 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred thirteen".