13323131323 has 2 divisors, whose sum is σ = 13323131324. Its totient is φ = 13323131322.

The previous prime is 13323131257. The next prime is 13323131357. The reversal of 13323131323 is 32313132331.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13323131323 is a prime.

It is not a weakly prime, because it can be changed into another prime (13323131023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6661565661 + 6661565662.

It is an arithmetic number, because the mean of its divisors is an integer number (6661565662).

Almost surely, 2^13323131323 is an apocalyptic number.

13323131323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13323131323 is an equidigital number, since it uses as much as digits as its factorization.

13323131323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 25.

Adding to 13323131323 its reverse (32313132331), we get a palindrome (45636263654).

The spelling of 13323131323 in words is "thirteen billion, three hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-three".