3113961779 has 4 divisors (see below), whose sum is σ = 3122310576. Its totient is φ = 3105612984.

The previous prime is 3113961761. The next prime is 3113961853. The reversal of 3113961779 is 9771693113.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3113961779 - 2¹² = 3113957683 is a prime.

It is a super-2 number, since 2×3113961779² = 19393515922145689682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3113961709) 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 in 3 ways as a sum of consecutive naturals, for example, 4173839 + ... + 4174584.

It is an arithmetic number, because the mean of its divisors is an integer number (780577644).

Almost surely, 2^3113961779 is an apocalyptic number.

3113961779 is a deficient number, since it is larger than the sum of its proper divisors (8348797).

3113961779 is an equidigital number, since it uses as much as digits as its factorization.

3113961779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8348796.

The product of its digits is 214326, while the sum is 47.

The square root of 3113961779 is about 55802.8832498823. The cubic root of 3113961779 is about 1460.2854541309.

The spelling of 3113961779 in words is "three billion, one hundred thirteen million, nine hundred sixty-one thousand, seven hundred seventy-nine".