3113112120 has 64 divisors (see below), whose sum is σ = 9478753920. Its totient is φ = 817770624.

The previous prime is 3113112071. The next prime is 3113112127. The reversal of 3113112120 is 212113113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3113112120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113112127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185562 + ... + 201641.

It is an arithmetic number, because the mean of its divisors is an integer number (148105530).

Almost surely, 2^3113112120 is an apocalyptic number.

3113112120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3113112120 is an abundant number, since it is smaller than the sum of its proper divisors (6365641800).

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

3113112120 is a wasteful number, since it uses less digits than its factorization.

3113112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387284 (or 387280 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 3113112120 is about 55795.2696919730. The cubic root of 3113112120 is about 1460.1526268163.

Adding to 3113112120 its reverse (212113113), we get a palindrome (3325225233).

The spelling of 3113112120 in words is "three billion, one hundred thirteen million, one hundred twelve thousand, one hundred twenty".