12322131313 has 4 divisors (see below), whose sum is σ = 12970664560. Its totient is φ = 11673598068.

The previous prime is 12322131277. The next prime is 12322131319. The reversal of 12322131313 is 31313122321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12322131313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12322131319) 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, 324266595 + ... + 324266632.

It is an arithmetic number, because the mean of its divisors is an integer number (3242666140).

Almost surely, 2^12322131313 is an apocalyptic number.

It is an amenable number.

12322131313 is a deficient number, since it is larger than the sum of its proper divisors (648533247).

12322131313 is an equidigital number, since it uses as much as digits as its factorization.

12322131313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648533246.

The product of its digits is 648, while the sum is 22.

Adding to 12322131313 its reverse (31313122321), we get a palindrome (43635253634).

The spelling of 12322131313 in words is "twelve billion, three hundred twenty-two million, one hundred thirty-one thousand, three hundred thirteen".