2311302943 has 2 divisors, whose sum is σ = 2311302944. Its totient is φ = 2311302942.

The previous prime is 2311302923. The next prime is 2311302947. The reversal of 2311302943 is 3492031132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2311302943 - 2⁹ = 2311302431 is a prime.

It is a super-2 number, since 2×2311302943² = 10684242588640922498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311302947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155651471 + 1155651472.

It is an arithmetic number, because the mean of its divisors is an integer number (1155651472).

Almost surely, 2^2311302943 is an apocalyptic number.

2311302943 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311302943 is an equidigital number, since it uses as much as digits as its factorization.

2311302943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2311302943 is about 48076.0121370315. The cubic root of 2311302943 is about 1322.1649015020.

The spelling of 2311302943 in words is "two billion, three hundred eleven million, three hundred two thousand, nine hundred forty-three".