2317093391 has 2 divisors, whose sum is σ = 2317093392. Its totient is φ = 2317093390.

The previous prime is 2317093381. The next prime is 2317093403. The reversal of 2317093391 is 1933907132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2317093391 - 2³⁰ = 1243351567 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2317093351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1158546695 + 1158546696.

It is an arithmetic number, because the mean of its divisors is an integer number (1158546696).

Almost surely, 2^2317093391 is an apocalyptic number.

2317093391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2317093391 is an equidigital number, since it uses as much as digits as its factorization.

2317093391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 38.

The square root of 2317093391 is about 48136.1962664272. The cubic root of 2317093391 is about 1323.2681093437.

The spelling of 2317093391 in words is "two billion, three hundred seventeen million, ninety-three thousand, three hundred ninety-one".