3113013220 has 12 divisors (see below), whose sum is σ = 6537327804. Its totient is φ = 1245205280.

The previous prime is 3113013217. The next prime is 3113013229. The reversal of 3113013220 is 223103113.

It can be written as a sum of positive squares in 2 ways, for example, as 1364268096 + 1748745124 = 36936^2 + 41818^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3113013194 and 3113013203.

It is not an unprimeable number, because it can be changed into a prime (3113013229) 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, 77825311 + ... + 77825350.

It is an arithmetic number, because the mean of its divisors is an integer number (544777317).

Almost surely, 2^3113013220 is an apocalyptic number.

It is an amenable number.

3113013220 is an abundant number, since it is smaller than the sum of its proper divisors (3424314584).

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

3113013220 is a wasteful number, since it uses less digits than its factorization.

3113013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155650670 (or 155650668 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3113013220 is about 55794.3834090852. The cubic root of 3113013220 is about 1460.1371641947.

Adding to 3113013220 its reverse (223103113), we get a palindrome (3336116333).

The spelling of 3113013220 in words is "three billion, one hundred thirteen million, thirteen thousand, two hundred twenty".