220331231323 has 16 divisors (see below), whose sum is σ = 253651172544. Its totient is φ = 187474584960.

The previous prime is 220331231317. The next prime is 220331231363. The reversal of 220331231323 is 323132133022.

220331231323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220331231323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220331231363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071561 + ... + 1260517.

It is an arithmetic number, because the mean of its divisors is an integer number (15853198284).

Almost surely, 2^220331231323 is an apocalyptic number.

220331231323 is a deficient number, since it is larger than the sum of its proper divisors (33319941221).

220331231323 is a wasteful number, since it uses less digits than its factorization.

220331231323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190182.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 220331231323 its reverse (323132133022), we get a palindrome (543463364345).

The spelling of 220331231323 in words is "two hundred twenty billion, three hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-three".