3113428991 has 2 divisors, whose sum is σ = 3113428992. Its totient is φ = 3113428990.

The previous prime is 3113428987. The next prime is 3113428999. The reversal of 3113428991 is 1998243113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3113428991 - 2² = 3113428987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3113428999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556714495 + 1556714496.

It is an arithmetic number, because the mean of its divisors is an integer number (1556714496).

Almost surely, 2^3113428991 is an apocalyptic number.

3113428991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113428991 is an equidigital number, since it uses as much as digits as its factorization.

3113428991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 3113428991 is about 55798.1092063163. The cubic root of 3113428991 is about 1460.2021661313.

The spelling of 3113428991 in words is "three billion, one hundred thirteen million, four hundred twenty-eight thousand, nine hundred ninety-one".