3113243320 has 128 divisors (see below), whose sum is σ = 8244815040. Its totient is φ = 1045258240.

The previous prime is 3113243311. The next prime is 3113243323. The reversal of 3113243320 is 233423113.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3113243291 and 3113243300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113243323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392514 + ... + 400366.

Almost surely, 2^3113243320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113243320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4122407520).

3113243320 is an abundant number, since it is smaller than the sum of its proper divisors (5131571720).

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

3113243320 is a wasteful number, since it uses less digits than its factorization.

3113243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945 (or 7941 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3113243320 is about 55796.4454064952. The cubic root of 3113243320 is about 1460.1731389090.

Adding to 3113243320 its reverse (233423113), we get a palindrome (3346666433).

The spelling of 3113243320 in words is "three billion, one hundred thirteen million, two hundred forty-three thousand, three hundred twenty".