2328331591 has 2 divisors, whose sum is σ = 2328331592. Its totient is φ = 2328331590.

The previous prime is 2328331519. The next prime is 2328331633. The reversal of 2328331591 is 1951338232.

Together with previous prime (2328331519) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2328331591 - 2¹¹ = 2328329543 is a prime.

It is a super-2 number, since 2×2328331591² = 10842255995297182562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2328331591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2328031591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1164165795 + 1164165796.

It is an arithmetic number, because the mean of its divisors is an integer number (1164165796).

Almost surely, 2^2328331591 is an apocalyptic number.

2328331591 is a deficient number, since it is larger than the sum of its proper divisors (1).

2328331591 is an equidigital number, since it uses as much as digits as its factorization.

2328331591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 2328331591 is about 48252.7884271987. The cubic root of 2328331591 is about 1325.4039999337.

The spelling of 2328331591 in words is "two billion, three hundred twenty-eight million, three hundred thirty-one thousand, five hundred ninety-one".