318523324507 has 2 divisors, whose sum is σ = 318523324508. Its totient is φ = 318523324506.

The previous prime is 318523324489. The next prime is 318523324541. The reversal of 318523324507 is 705423325813.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318523324507 is a prime.

It is not a weakly prime, because it can be changed into another prime (318523364507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159261662253 + 159261662254.

It is an arithmetic number, because the mean of its divisors is an integer number (159261662254).

Almost surely, 2^318523324507 is an apocalyptic number.

318523324507 is a deficient number, since it is larger than the sum of its proper divisors (1).

318523324507 is an equidigital number, since it uses as much as digits as its factorization.

318523324507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 318523324507 in words is "three hundred eighteen billion, five hundred twenty-three million, three hundred twenty-four thousand, five hundred seven".