220031110223 has 4 divisors (see below), whose sum is σ = 220105172808. Its totient is φ = 219957047640.

The previous prime is 220031110171. The next prime is 220031110283. The reversal of 220031110223 is 322011130022.

220031110223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220031110223 - 2¹⁴ = 220031093839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220031110283) 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 3 ways as a sum of consecutive naturals, for example, 37026836 + ... + 37032777.

It is an arithmetic number, because the mean of its divisors is an integer number (55026293202).

Almost surely, 2^220031110223 is an apocalyptic number.

220031110223 is a deficient number, since it is larger than the sum of its proper divisors (74062585).

220031110223 is an equidigital number, since it uses as much as digits as its factorization.

220031110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74062584.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220031110223 its reverse (322011130022), we get a palindrome (542042240245).

The spelling of 220031110223 in words is "two hundred twenty billion, thirty-one million, one hundred ten thousand, two hundred twenty-three".