2311899413 has 2 divisors, whose sum is σ = 2311899414. Its totient is φ = 2311899412.

The previous prime is 2311899407. The next prime is 2311899437. The reversal of 2311899413 is 3149981132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088307204 + 223592209 = 45698^2 + 14953^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311899413 - 2¹⁶ = 2311833877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311899713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155949706 + 1155949707.

It is an arithmetic number, because the mean of its divisors is an integer number (1155949707).

Almost surely, 2^2311899413 is an apocalyptic number.

It is an amenable number.

2311899413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311899413 is an equidigital number, since it uses as much as digits as its factorization.

2311899413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 2311899413 is about 48082.2151423996. The cubic root of 2311899413 is about 1322.2786272357.

The spelling of 2311899413 in words is "two billion, three hundred eleven million, eight hundred ninety-nine thousand, four hundred thirteen".