2311130120989 has 2 divisors, whose sum is σ = 2311130120990. Its totient is φ = 2311130120988.

The previous prime is 2311130120977. The next prime is 2311130121089. The reversal of 2311130120989 is 9890210311132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2311114455225 + 15665764 = 1520235^2 + 3958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2311130120989 - 2⁹ = 2311130120477 is a prime.

It is a super-2 number, since 2×2311130120989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2311130120389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155565060494 + 1155565060495.

It is an arithmetic number, because the mean of its divisors is an integer number (1155565060495).

Almost surely, 2^{2311130120989} is an apocalyptic number.

It is an amenable number.

2311130120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2311130120989 is an equidigital number, since it uses as much as digits as its factorization.

2311130120989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The spelling of 2311130120989 in words is "two trillion, three hundred eleven billion, one hundred thirty million, one hundred twenty thousand, nine hundred eighty-nine".