2311602961 has 2 divisors, whose sum is σ = 2311602962. Its totient is φ = 2311602960.

The previous prime is 2311602913. The next prime is 2311603013. The reversal of 2311602961 is 1692061132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2030403600 + 281199361 = 45060^2 + 16769^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311602961 - 2¹¹ = 2311600913 is a prime.

It is not a weakly prime, because it can be changed into another prime (2311602061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155801480 + 1155801481.

It is an arithmetic number, because the mean of its divisors is an integer number (1155801481).

Almost surely, 2^2311602961 is an apocalyptic number.

It is an amenable number.

2311602961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311602961 is an equidigital number, since it uses as much as digits as its factorization.

2311602961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 2311602961 is about 48079.1322821034. The cubic root of 2311602961 is about 1322.2221067692. Note that the first 3 decimals are identical.

The spelling of 2311602961 in words is "two billion, three hundred eleven million, six hundred two thousand, nine hundred sixty-one".