3113203120 has 20 divisors (see below), whose sum is σ = 7238197440. Its totient is φ = 1245281216.

The previous prime is 3113203109. The next prime is 3113203123. The reversal of 3113203120 is 213023113.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 3113203094 and 3113203103.

It is not an unprimeable number, because it can be changed into a prime (3113203123) 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, 19457440 + ... + 19457599.

It is an arithmetic number, because the mean of its divisors is an integer number (361909872).

Almost surely, 2^3113203120 is an apocalyptic number.

It is an amenable number.

3113203120 is an abundant number, since it is smaller than the sum of its proper divisors (4124994320).

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

3113203120 is a wasteful number, since it uses less digits than its factorization.

3113203120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38915052 (or 38915046 counting only the distinct ones).

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

The square root of 3113203120 is about 55796.0851673305. The cubic root of 3113203120 is about 1460.1668540150.

Adding to 3113203120 its reverse (213023113), we get a palindrome (3326226233).

The spelling of 3113203120 in words is "three billion, one hundred thirteen million, two hundred three thousand, one hundred twenty".