223310131021 has 2 divisors, whose sum is σ = 223310131022. Its totient is φ = 223310131020.

The previous prime is 223310130973. The next prime is 223310131027. The reversal of 223310131021 is 120131013322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208018088100 + 15292042921 = 456090^2 + 123661^2 .

It is a cyclic number.

It is not a de Polignac number, because 223310131021 - 2⁷ = 223310130893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223310131021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223310131027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111655065510 + 111655065511.

It is an arithmetic number, because the mean of its divisors is an integer number (111655065511).

Almost surely, 2^223310131021 is an apocalyptic number.

It is an amenable number.

223310131021 is a deficient number, since it is larger than the sum of its proper divisors (1).

223310131021 is an equidigital number, since it uses as much as digits as its factorization.

223310131021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 223310131021 its reverse (120131013322), we get a palindrome (343441144343).

The spelling of 223310131021 in words is "two hundred twenty-three billion, three hundred ten million, one hundred thirty-one thousand, twenty-one".