3113447620 has 12 divisors (see below), whose sum is σ = 6538240044. Its totient is φ = 1245379040.

The previous prime is 3113447599. The next prime is 3113447639. The reversal of 3113447620 is 267443113.

It can be written as a sum of positive squares in 2 ways, for example, as 1690196544 + 1423251076 = 41112^2 + 37726^2 .

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, 77836171 + ... + 77836210.

It is an arithmetic number, because the mean of its divisors is an integer number (544853337).

Almost surely, 2^3113447620 is an apocalyptic number.

It is an amenable number.

3113447620 is an abundant number, since it is smaller than the sum of its proper divisors (3424792424).

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

3113447620 is a wasteful number, since it uses less digits than its factorization.

3113447620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155672390 (or 155672388 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3113447620 is about 55798.2761382464. The cubic root of 3113447620 is about 1460.2050784670.

The spelling of 3113447620 in words is "three billion, one hundred thirteen million, four hundred forty-seven thousand, six hundred twenty".