220331311331321 has 8 divisors (see below), whose sum is σ = 221101365112320. Its totient is φ = 219561678696672.

The previous prime is 220331311331291. The next prime is 220331311331333. The reversal of 220331311331321 is 123133113133022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220331311331321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220331311336321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104238401 + ... + 106331118.

It is an arithmetic number, because the mean of its divisors is an integer number (27637670639040).

Almost surely, 2^{220331311331321} is an apocalyptic number.

It is an amenable number.

220331311331321 is a deficient number, since it is larger than the sum of its proper divisors (770053780999).

220331311331321 is a wasteful number, since it uses less digits than its factorization.

220331311331321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210573175.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 220331311331321 its reverse (123133113133022), we get a palindrome (343464424464343).

The spelling of 220331311331321 in words is "two hundred twenty trillion, three hundred thirty-one billion, three hundred eleven million, three hundred thirty-one thousand, three hundred twenty-one".