331110003220 has 12 divisors (see below), whose sum is σ = 695331006804. Its totient is φ = 132444001280.

The previous prime is 331110003209. The next prime is 331110003269. The reversal of 331110003220 is 22300011133.

It can be written as a sum of positive squares in 2 ways, for example, as 76210227844 + 254899775376 = 276062^2 + 504876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331110003194 and 331110003203.

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, 8277750061 + ... + 8277750100.

It is an arithmetic number, because the mean of its divisors is an integer number (57944250567).

Almost surely, 2^331110003220 is an apocalyptic number.

It is an amenable number.

331110003220 is an abundant number, since it is smaller than the sum of its proper divisors (364221003584).

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

331110003220 is a wasteful number, since it uses less digits than its factorization.

331110003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16555500170 (or 16555500168 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 331110003220 its reverse (22300011133), we get a palindrome (353410014353).

The spelling of 331110003220 in words is "three hundred thirty-one billion, one hundred ten million, three thousand, two hundred twenty".