243302144317 has 2 divisors, whose sum is σ = 243302144318. Its totient is φ = 243302144316.

The previous prime is 243302144303. The next prime is 243302144383. The reversal of 243302144317 is 713441203342.

243302144317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238841373796 + 4460770521 = 488714^2 + 66789^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243302144317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243302144017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121651072158 + 121651072159.

It is an arithmetic number, because the mean of its divisors is an integer number (121651072159).

Almost surely, 2^243302144317 is an apocalyptic number.

It is an amenable number.

243302144317 is a deficient number, since it is larger than the sum of its proper divisors (1).

243302144317 is an equidigital number, since it uses as much as digits as its factorization.

243302144317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

Adding to 243302144317 its reverse (713441203342), we get a palindrome (956743347659).

The spelling of 243302144317 in words is "two hundred forty-three billion, three hundred two million, one hundred forty-four thousand, three hundred seventeen".