3111685347 has 12 divisors (see below), whose sum is σ = 4378772040. Its totient is φ = 1965274272.

The previous prime is 3111685333. The next prime is 3111685349. The reversal of 3111685347 is 7435861113.

It is not a de Polignac number, because 3111685347 - 2⁴ = 3111685331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3111685349) 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 11 ways as a sum of consecutive naturals, for example, 1435522 + ... + 1437687.

It is an arithmetic number, because the mean of its divisors is an integer number (364897670).

Almost surely, 2^3111685347 is an apocalyptic number.

3111685347 is a deficient number, since it is larger than the sum of its proper divisors (1267086693).

3111685347 is a wasteful number, since it uses less digits than its factorization.

3111685347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873250 (or 2873231 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 3111685347 is about 55782.4824384860. The cubic root of 3111685347 is about 1459.9295248086.

The spelling of 3111685347 in words is "three billion, one hundred eleven million, six hundred eighty-five thousand, three hundred forty-seven".