2313313322491 has 2 divisors, whose sum is σ = 2313313322492. Its totient is φ = 2313313322490.

The previous prime is 2313313322417. The next prime is 2313313322533. The reversal of 2313313322491 is 1942233133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2313313322491 - 2²⁷ = 2313179104763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2313313322491.

It is not a weakly prime, because it can be changed into another prime (2313313322291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156656661245 + 1156656661246.

It is an arithmetic number, because the mean of its divisors is an integer number (1156656661246).

Almost surely, 2^{2313313322491} is an apocalyptic number.

2313313322491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313313322491 is an equidigital number, since it uses as much as digits as its factorization.

2313313322491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 37.

The spelling of 2313313322491 in words is "two trillion, three hundred thirteen billion, three hundred thirteen million, three hundred twenty-two thousand, four hundred ninety-one".