204442322210317 has 2 divisors, whose sum is σ = 204442322210318. Its totient is φ = 204442322210316.

The previous prime is 204442322210293. The next prime is 204442322210383. The reversal of 204442322210317 is 713012223244402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142024279751236 + 62418042459081 = 11917394^2 + 7900509^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204442322210317 is a prime.

It is a super-2 number, since 2×204442322210317² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (204442322210017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102221161105158 + 102221161105159.

It is an arithmetic number, because the mean of its divisors is an integer number (102221161105159).

Almost surely, 2^{204442322210317} is an apocalyptic number.

It is an amenable number.

204442322210317 is a deficient number, since it is larger than the sum of its proper divisors (1).

204442322210317 is an equidigital number, since it uses as much as digits as its factorization.

204442322210317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 37.

Adding to 204442322210317 its reverse (713012223244402), we get a palindrome (917454545454719).

The spelling of 204442322210317 in words is "two hundred four trillion, four hundred forty-two billion, three hundred twenty-two million, two hundred ten thousand, three hundred seventeen".