3031320221120 has 28 divisors (see below), whose sum is σ = 7218331277304. Its totient is φ = 1212528088320.

The previous prime is 3031320221117. The next prime is 3031320221131. The reversal of 3031320221120 is 211220231303.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3031320221092 and 3031320221101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4736437526 + ... + 4736438165.

It is an arithmetic number, because the mean of its divisors is an integer number (257797545618).

Almost surely, 2^{3031320221120} is an apocalyptic number.

It is an amenable number.

3031320221120 is an abundant number, since it is smaller than the sum of its proper divisors (4187011056184).

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

3031320221120 is an equidigital number, since it uses as much as digits as its factorization.

3031320221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472875708 (or 9472875698 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 3031320221120 its reverse (211220231303), we get a palindrome (3242540452423).

The spelling of 3031320221120 in words is "three trillion, thirty-one billion, three hundred twenty million, two hundred twenty-one thousand, one hundred twenty".