3113530872 has 16 divisors (see below), whose sum is σ = 7783827240. Its totient is φ = 1037843616.

The previous prime is 3113530853. The next prime is 3113530913. The reversal of 3113530872 is 2780353113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64865203 + ... + 64865250.

Almost surely, 2^3113530872 is an apocalyptic number.

It is an amenable number.

3113530872 is an abundant number, since it is smaller than the sum of its proper divisors (4670296368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3113530872 is a wasteful number, since it uses less digits than its factorization.

3113530872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129730462 (or 129730458 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 3113530872 is about 55799.0221419695. The cubic root of 3113530872 is about 1460.2180933972.

Adding to 3113530872 its reverse (2780353113), we get a palindrome (5893883985).

The spelling of 3113530872 in words is "three billion, one hundred thirteen million, five hundred thirty thousand, eight hundred seventy-two".