2311012399 has 2 divisors, whose sum is σ = 2311012400. Its totient is φ = 2311012398.

The previous prime is 2311012393. The next prime is 2311012421. The reversal of 2311012399 is 9932101132.

2311012399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2311012399 - 2⁵ = 2311012367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2311012399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311012393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155506199 + 1155506200.

It is an arithmetic number, because the mean of its divisors is an integer number (1155506200).

Almost surely, 2^2311012399 is an apocalyptic number.

2311012399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311012399 is an equidigital number, since it uses as much as digits as its factorization.

2311012399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 2311012399 is about 48072.9903272097. The cubic root of 2311012399 is about 1322.1094979503.

The spelling of 2311012399 in words is "two billion, three hundred eleven million, twelve thousand, three hundred ninety-nine".