331103220400 has 60 divisors (see below), whose sum is σ = 795620264544. Its totient is φ = 132417184000.

The previous prime is 331103220389. The next prime is 331103220421. The reversal of 331103220400 is 4022301133.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2211930 + ... + 2356870.

Almost surely, 2^331103220400 is an apocalyptic number.

It is an amenable number.

331103220400 is an abundant number, since it is smaller than the sum of its proper divisors (464517044144).

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

331103220400 is a wasteful number, since it uses less digits than its factorization.

331103220400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150670 (or 150659 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 331103220400 its reverse (4022301133), we get a palindrome (335125521533).

The spelling of 331103220400 in words is "three hundred thirty-one billion, one hundred three million, two hundred twenty thousand, four hundred".