2204320313231 has 2 divisors, whose sum is σ = 2204320313232. Its totient is φ = 2204320313230.

The previous prime is 2204320313213. The next prime is 2204320313233. The reversal of 2204320313231 is 1323130234022.

It is a happy number.

Together with previous prime (2204320313213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2204320313231 is a prime.

It is a super-2 number, since 2×2204320313231² (a number of 25 digits) contains 22 as substring.

Together with 2204320313233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2204320313231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2204320313233) 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, 1102160156615 + 1102160156616.

It is an arithmetic number, because the mean of its divisors is an integer number (1102160156616).

Almost surely, 2^{2204320313231} is an apocalyptic number.

2204320313231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204320313231 is an equidigital number, since it uses as much as digits as its factorization.

2204320313231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 2204320313231 its reverse (1323130234022), we get a palindrome (3527450547253).

The spelling of 2204320313231 in words is "two trillion, two hundred four billion, three hundred twenty million, three hundred thirteen thousand, two hundred thirty-one".