13111220323 has 2 divisors, whose sum is σ = 13111220324. Its totient is φ = 13111220322.

The previous prime is 13111220279. The next prime is 13111220327. The reversal of 13111220323 is 32302211131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13111220323 - 2³³ = 4521285731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13111220323.

It is not a weakly prime, because it can be changed into another prime (13111220327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555610161 + 6555610162.

It is an arithmetic number, because the mean of its divisors is an integer number (6555610162).

Almost surely, 2^13111220323 is an apocalyptic number.

13111220323 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111220323 is an equidigital number, since it uses as much as digits as its factorization.

13111220323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13111220323 its reverse (32302211131), we get a palindrome (45413431454).

The spelling of 13111220323 in words is "thirteen billion, one hundred eleven million, two hundred twenty thousand, three hundred twenty-three".