3158091315931 has 2 divisors, whose sum is σ = 3158091315932. Its totient is φ = 3158091315930.

The previous prime is 3158091315881. The next prime is 3158091315937. The reversal of 3158091315931 is 1395131908513.

3158091315931 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3158091315931 - 2¹³ = 3158091307739 is a prime.

It is a super-2 number, since 2×3158091315931² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3158091315937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1579045657965 + 1579045657966.

It is an arithmetic number, because the mean of its divisors is an integer number (1579045657966).

Almost surely, 2^{3158091315931} is an apocalyptic number.

3158091315931 is a deficient number, since it is larger than the sum of its proper divisors (1).

3158091315931 is an equidigital number, since it uses as much as digits as its factorization.

3158091315931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 3158091315931 in words is "three trillion, one hundred fifty-eight billion, ninety-one million, three hundred fifteen thousand, nine hundred thirty-one".