3111122313 has 48 divisors (see below), whose sum is σ = 4979729664. Its totient is φ = 1859794560.

The previous prime is 3111122269. The next prime is 3111122327. The reversal of 3111122313 is 3132211113.

It is not a de Polignac number, because 3111122313 - 2⁸ = 3111122057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3111126313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 636268 + ... + 641138.

It is an arithmetic number, because the mean of its divisors is an integer number (103744368).

Almost surely, 2^3111122313 is an apocalyptic number.

It is an amenable number.

3111122313 is a deficient number, since it is larger than the sum of its proper divisors (1868607351).

3111122313 is a wasteful number, since it uses less digits than its factorization.

3111122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046 (or 5043 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 3111122313 is about 55777.4355183169. The cubic root of 3111122313 is about 1459.8414653970.

Adding to 3111122313 its reverse (3132211113), we get a palindrome (6243333426).

The spelling of 3111122313 in words is "three billion, one hundred eleven million, one hundred twenty-two thousand, three hundred thirteen".