220230223330031 has 4 divisors (see below), whose sum is σ = 220245856922832. Its totient is φ = 220214589737232.

The previous prime is 220230223330027. The next prime is 220230223330081. The reversal of 220230223330031 is 130033322032022.

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 220230223330031 - 2² = 220230223330027 is a prime.

It is a super-2 number, since 2×220230223330031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220230223330081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7816775270 + ... + 7816803443.

It is an arithmetic number, because the mean of its divisors is an integer number (55061464230708).

Almost surely, 2^{220230223330031} is an apocalyptic number.

220230223330031 is a deficient number, since it is larger than the sum of its proper divisors (15633592801).

220230223330031 is a wasteful number, since it uses less digits than its factorization.

220230223330031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15633592800.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 220230223330031 its reverse (130033322032022), we get a palindrome (350263545362053).

The spelling of 220230223330031 in words is "two hundred twenty trillion, two hundred thirty billion, two hundred twenty-three million, three hundred thirty thousand, thirty-one".