3111685228 has 12 divisors (see below), whose sum is σ = 5448410352. Its totient is φ = 1554996560.

The previous prime is 3111685223. The next prime is 3111685229. The reversal of 3111685228 is 8225861113.

3111685228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3111685223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203203 + ... + 217978.

It is an arithmetic number, because the mean of its divisors is an integer number (454034196).

Almost surely, 2^3111685228 is an apocalyptic number.

It is an amenable number.

3111685228 is a deficient number, since it is larger than the sum of its proper divisors (2336725124).

3111685228 is a wasteful number, since it uses less digits than its factorization.

3111685228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423032 (or 423030 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 3111685228 is about 55782.4813718429. The cubic root of 3111685228 is about 1459.9295061979.

The spelling of 3111685228 in words is "three billion, one hundred eleven million, six hundred eighty-five thousand, two hundred twenty-eight".