13131110323 has 2 divisors, whose sum is σ = 13131110324. Its totient is φ = 13131110322.

The previous prime is 13131110281. The next prime is 13131110329. The reversal of 13131110323 is 32301113131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13131110323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13131110323.

It is not a weakly prime, because it can be changed into another prime (13131110329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565555161 + 6565555162.

It is an arithmetic number, because the mean of its divisors is an integer number (6565555162).

Almost surely, 2^13131110323 is an apocalyptic number.

13131110323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131110323 is an equidigital number, since it uses as much as digits as its factorization.

13131110323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13131110323 its reverse (32301113131), we get a palindrome (45432223454).

The spelling of 13131110323 in words is "thirteen billion, one hundred thirty-one million, one hundred ten thousand, three hundred twenty-three".