220321230331 has 8 divisors (see below), whose sum is σ = 222730642080. Its totient is φ = 217923430848.

The previous prime is 220321230323. The next prime is 220321230361. The reversal of 220321230331 is 133032123022.

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

It is a cyclic number.

It is not a de Polignac number, because 220321230331 - 2³ = 220321230323 is a prime.

It is a super-2 number, since 2×220321230331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220321230301) 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, 2864911 + ... + 2940808.

It is an arithmetic number, because the mean of its divisors is an integer number (27841330260).

Almost surely, 2^220321230331 is an apocalyptic number.

220321230331 is a deficient number, since it is larger than the sum of its proper divisors (2409411749).

220321230331 is a wasteful number, since it uses less digits than its factorization.

220321230331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5806133.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 220321230331 its reverse (133032123022), we get a palindrome (353353353353).

The spelling of 220321230331 in words is "two hundred twenty billion, three hundred twenty-one million, two hundred thirty thousand, three hundred thirty-one".