2311122263 has 2 divisors, whose sum is σ = 2311122264. Its totient is φ = 2311122262.

The previous prime is 2311122241. The next prime is 2311122283. The reversal of 2311122263 is 3622211132.

2311122263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311122263 - 2²⁰ = 2310073687 is a prime.

It is a super-2 number, since 2×2311122263² = 10682572229068482338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311122283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155561131 + 1155561132.

It is an arithmetic number, because the mean of its divisors is an integer number (1155561132).

Almost surely, 2^2311122263 is an apocalyptic number.

2311122263 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311122263 is an equidigital number, since it uses as much as digits as its factorization.

2311122263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

The square root of 2311122263 is about 48074.1329927020. The cubic root of 2311122263 is about 1322.1304483551.

Adding to 2311122263 its reverse (3622211132), we get a palindrome (5933333395).

The spelling of 2311122263 in words is "two billion, three hundred eleven million, one hundred twenty-two thousand, two hundred sixty-three".