3109386911 has 2 divisors, whose sum is σ = 3109386912. Its totient is φ = 3109386910.

The previous prime is 3109386829. The next prime is 3109386923. The reversal of 3109386911 is 1196839013.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3109386911 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3109386971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1554693455 + 1554693456.

It is an arithmetic number, because the mean of its divisors is an integer number (1554693456).

Almost surely, 2^3109386911 is an apocalyptic number.

3109386911 is a deficient number, since it is larger than the sum of its proper divisors (1).

3109386911 is an equidigital number, since it uses as much as digits as its factorization.

3109386911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 3109386911 is about 55761.8768604501. The cubic root of 3109386911 is about 1459.5699789107.

The spelling of 3109386911 in words is "three billion, one hundred nine million, three hundred eighty-six thousand, nine hundred eleven".