3116313391 has 2 divisors, whose sum is σ = 3116313392. Its totient is φ = 3116313390.

The previous prime is 3116313337. The next prime is 3116313397. The reversal of 3116313391 is 1933136113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3116313391 - 2¹¹ = 3116311343 is a prime.

It is a super-2 number, since 2×3116313391² = 19422818301851837762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3116313397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1558156695 + 1558156696.

It is an arithmetic number, because the mean of its divisors is an integer number (1558156696).

Almost surely, 2^3116313391 is an apocalyptic number.

3116313391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3116313391 is an equidigital number, since it uses as much as digits as its factorization.

3116313391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4374, while the sum is 31.

The square root of 3116313391 is about 55823.9499766901. The cubic root of 3116313391 is about 1460.6529560427.

The spelling of 3116313391 in words is "three billion, one hundred sixteen million, three hundred thirteen thousand, three hundred ninety-one".