3313312991 has 2 divisors, whose sum is σ = 3313312992. Its totient is φ = 3313312990.

The previous prime is 3313312921. The next prime is 3313312997. The reversal of 3313312991 is 1992133133.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3313312991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3313312997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1656656495 + 1656656496.

It is an arithmetic number, because the mean of its divisors is an integer number (1656656496).

Almost surely, 2^3313312991 is an apocalyptic number.

3313312991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3313312991 is an equidigital number, since it uses as much as digits as its factorization.

3313312991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13122, while the sum is 35.

The square root of 3313312991 is about 57561.3845472813. The cubic root of 3313312991 is about 1490.8049328544.

The spelling of 3313312991 in words is "three billion, three hundred thirteen million, three hundred twelve thousand, nine hundred ninety-one".