3113517312 has 72 divisors (see below), whose sum is σ = 9207238880. Its totient is φ = 1037836800.

The previous prime is 3113517301. The next prime is 3113517317. The reversal of 3113517312 is 2137153113.

It is a happy number.

3113517312 is a `hidden beast` number, since 3 + 113 + 517 + 31 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3113517317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218314 + ... + 232137.

Almost surely, 2^3113517312 is an apocalyptic number.

3113517312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3113517312 is an abundant number, since it is smaller than the sum of its proper divisors (6093721568).

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

3113517312 is an equidigital number, since it uses as much as digits as its factorization.

3113517312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450476 (or 450456 counting only the distinct ones).

The product of its digits is 1890, while the sum is 27.

The square root of 3113517312 is about 55798.9006343315. The cubic root of 3113517312 is about 1460.2159735546.

The spelling of 3113517312 in words is "three billion, one hundred thirteen million, five hundred seventeen thousand, three hundred twelve".