3113222120 has 128 divisors (see below), whose sum is σ = 7445053440. Its totient is φ = 1169925120.

The previous prime is 3113222083. The next prime is 3113222131. The reversal of 3113222120 is 212223113.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8346254 + ... + 8346626.

It is an arithmetic number, because the mean of its divisors is an integer number (58164480).

Almost surely, 2^3113222120 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 3113222120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3722526720).

3113222120 is an abundant number, since it is smaller than the sum of its proper divisors (4331831320).

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

3113222120 is a wasteful number, since it uses less digits than its factorization.

3113222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3113222120 is about 55796.2554299121. The cubic root of 3113222120 is about 1460.1698244940.

Adding to 3113222120 its reverse (212223113), we get a palindrome (3325445233).

The spelling of 3113222120 in words is "three billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred twenty".