3113223233220 has 144 divisors (see below), whose sum is σ = 9944271267840. Its totient is φ = 786197518848.

The previous prime is 3113223233209. The next prime is 3113223233233. The reversal of 3113223233220 is 223323223113.

3113223233220 is a `hidden beast` number, since 3 + 1 + 1 + 322 + 3 + 2 + 332 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8831997 + ... + 9177723.

It is an arithmetic number, because the mean of its divisors is an integer number (69057439360).

Almost surely, 2^{3113223233220} is an apocalyptic number.

3113223233220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113223233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4972135633920).

3113223233220 is an abundant number, since it is smaller than the sum of its proper divisors (6831048034620).

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

3113223233220 is a wasteful number, since it uses less digits than its factorization.

3113223233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348394 (or 348389 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 3113223233220 its reverse (223323223113), we get a palindrome (3336546456333).

The spelling of 3113223233220 in words is "three trillion, one hundred thirteen billion, two hundred twenty-three million, two hundred thirty-three thousand, two hundred twenty".