3115136231 has 2 divisors, whose sum is σ = 3115136232. Its totient is φ = 3115136230.

The previous prime is 3115136207. The next prime is 3115136251. The reversal of 3115136231 is 1326315113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3115136231 is a prime.

It is a super-2 number, since 2×3115136231² = 19408147475377770722, 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 3115136231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3115136251) 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, 1557568115 + 1557568116.

It is an arithmetic number, because the mean of its divisors is an integer number (1557568116).

Almost surely, 2^3115136231 is an apocalyptic number.

3115136231 is a deficient number, since it is larger than the sum of its proper divisors (1).

3115136231 is an equidigital number, since it uses as much as digits as its factorization.

3115136231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1620, while the sum is 26.

The square root of 3115136231 is about 55813.4054775374. The cubic root of 3115136231 is about 1460.4690166072.

The spelling of 3115136231 in words is "three billion, one hundred fifteen million, one hundred thirty-six thousand, two hundred thirty-one".