318523324417 has 2 divisors, whose sum is σ = 318523324418. Its totient is φ = 318523324416.

The previous prime is 318523324409. The next prime is 318523324489. The reversal of 318523324417 is 714423325813.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303288112656 + 15235211761 = 550716^2 + 123431^2 .

It is a cyclic number.

It is not a de Polignac number, because 318523324417 - 2³ = 318523324409 is a prime.

It is not a weakly prime, because it can be changed into another prime (318523324817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159261662208 + 159261662209.

It is an arithmetic number, because the mean of its divisors is an integer number (159261662209).

Almost surely, 2^318523324417 is an apocalyptic number.

It is an amenable number.

318523324417 is a deficient number, since it is larger than the sum of its proper divisors (1).

318523324417 is an equidigital number, since it uses as much as digits as its factorization.

318523324417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The spelling of 318523324417 in words is "three hundred eighteen billion, five hundred twenty-three million, three hundred twenty-four thousand, four hundred seventeen".