220300231031 has 4 divisors (see below), whose sum is σ = 220301325552. Its totient is φ = 220299136512.

The previous prime is 220300231027. The next prime is 220300231069. The reversal of 220300231031 is 130132003022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 220300231031 - 2² = 220300231027 is a prime.

It is a super-2 number, since 2×220300231031² (a number of 23 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 (220300231231) 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, 148490 + ... + 680183.

It is an arithmetic number, because the mean of its divisors is an integer number (55075331388).

Almost surely, 2^220300231031 is an apocalyptic number.

220300231031 is a deficient number, since it is larger than the sum of its proper divisors (1094521).

220300231031 is an equidigital number, since it uses as much as digits as its factorization.

220300231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094520.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 220300231031 its reverse (130132003022), we get a palindrome (350432234053).

The spelling of 220300231031 in words is "two hundred twenty billion, three hundred million, two hundred thirty-one thousand, thirty-one".