2311113391 has 2 divisors, whose sum is σ = 2311113392. Its totient is φ = 2311113390.

The previous prime is 2311113359. The next prime is 2311113419. The reversal of 2311113391 is 1933111132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311113391 - 2⁵ = 2311113359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311113191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155556695 + 1155556696.

It is an arithmetic number, because the mean of its divisors is an integer number (1155556696).

Almost surely, 2^2311113391 is an apocalyptic number.

2311113391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311113391 is an equidigital number, since it uses as much as digits as its factorization.

2311113391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 486, while the sum is 25.

The square root of 2311113391 is about 48074.0407184584. The cubic root of 2311113391 is about 1322.1287565427.

The spelling of 2311113391 in words is "two billion, three hundred eleven million, one hundred thirteen thousand, three hundred ninety-one".