221303331312304 has 40 divisors (see below), whose sum is σ = 432727028037920. Its totient is φ = 109631925163008.

The previous prime is 221303331312281. The next prime is 221303331312347. The reversal of 221303331312304 is 403213133303122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39225352 + ... + 44511064.

It is an arithmetic number, because the mean of its divisors is an integer number (10818175700948).

Almost surely, 2^{221303331312304} is an apocalyptic number.

It is an amenable number.

221303331312304 is a deficient number, since it is larger than the sum of its proper divisors (211423696725616).

221303331312304 is a wasteful number, since it uses less digits than its factorization.

221303331312304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309837 (or 5309831 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 221303331312304 its reverse (403213133303122), we get a palindrome (624516464615426).

The spelling of 221303331312304 in words is "two hundred twenty-one trillion, three hundred three billion, three hundred thirty-one million, three hundred twelve thousand, three hundred four".