3113101991 has 2 divisors, whose sum is σ = 3113101992. Its totient is φ = 3113101990.

The previous prime is 3113101961. The next prime is 3113102017. The reversal of 3113101991 is 1991013113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3113101991 - 2¹⁴ = 3113085607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113101921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556550995 + 1556550996.

It is an arithmetic number, because the mean of its divisors is an integer number (1556550996).

Almost surely, 2^3113101991 is an apocalyptic number.

3113101991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113101991 is an equidigital number, since it uses as much as digits as its factorization.

3113101991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 29.

The square root of 3113101991 is about 55795.1789225557. The cubic root of 3113101991 is about 1460.1510432024.

The spelling of 3113101991 in words is "three billion, one hundred thirteen million, one hundred one thousand, nine hundred ninety-one".