243104004317 has 2 divisors, whose sum is σ = 243104004318. Its totient is φ = 243104004316.

The previous prime is 243104004293. The next prime is 243104004373. The reversal of 243104004317 is 713400401342.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204805122916 + 38298881401 = 452554^2 + 195701^2 .

It is a cyclic number.

It is not a de Polignac number, because 243104004317 - 2¹² = 243104000221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243104004317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243104004397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121552002158 + 121552002159.

It is an arithmetic number, because the mean of its divisors is an integer number (121552002159).

Almost surely, 2^243104004317 is an apocalyptic number.

It is an amenable number.

243104004317 is a deficient number, since it is larger than the sum of its proper divisors (1).

243104004317 is an equidigital number, since it uses as much as digits as its factorization.

243104004317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 243104004317 its reverse (713400401342), we get a palindrome (956504405659).

The spelling of 243104004317 in words is "two hundred forty-three billion, one hundred four million, four thousand, three hundred seventeen".