2311051439 has 2 divisors, whose sum is σ = 2311051440. Its totient is φ = 2311051438.

The previous prime is 2311051367. The next prime is 2311051459. The reversal of 2311051439 is 9341501132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2311051439 is a prime.

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 (2311051459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155525719 + 1155525720.

It is an arithmetic number, because the mean of its divisors is an integer number (1155525720).

Almost surely, 2^2311051439 is an apocalyptic number.

2311051439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311051439 is an equidigital number, since it uses as much as digits as its factorization.

2311051439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2311051439 is about 48073.3963747102. The cubic root of 2311051439 is about 1322.1169427198.

The spelling of 2311051439 in words is "two billion, three hundred eleven million, fifty-one thousand, four hundred thirty-nine".