3113122231220 has 48 divisors (see below), whose sum is σ = 6648755339520. Its totient is φ = 1224070690176.

The previous prime is 3113122231217. The next prime is 3113122231243. The reversal of 3113122231220 is 221322213113.

It is a super-2 number, since 2×3113122231220² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22744709 + ... + 22881171.

It is an arithmetic number, because the mean of its divisors is an integer number (138515736240).

Almost surely, 2^{3113122231220} is an apocalyptic number.

It is an amenable number.

3113122231220 is an abundant number, since it is smaller than the sum of its proper divisors (3535633108300).

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

3113122231220 is a wasteful number, since it uses less digits than its factorization.

3113122231220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155864 (or 155862 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 3113122231220 its reverse (221322213113), we get a palindrome (3334444444333).

The spelling of 3113122231220 in words is "three trillion, one hundred thirteen billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred twenty".