317551323073 has 2 divisors, whose sum is σ = 317551323074. Its totient is φ = 317551323072.

The previous prime is 317551323071. The next prime is 317551323083. The reversal of 317551323073 is 370323155713.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185147762944 + 132403560129 = 430288^2 + 363873^2 .

It is a cyclic number.

It is not a de Polignac number, because 317551323073 - 2¹ = 317551323071 is a prime.

Together with 317551323071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (317551323071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158775661536 + 158775661537.

It is an arithmetic number, because the mean of its divisors is an integer number (158775661537).

Almost surely, 2^317551323073 is an apocalyptic number.

It is an amenable number.

317551323073 is a deficient number, since it is larger than the sum of its proper divisors (1).

317551323073 is an equidigital number, since it uses as much as digits as its factorization.

317551323073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 40.

Adding to 317551323073 its reverse (370323155713), we get a palindrome (687874478786).

The spelling of 317551323073 in words is "three hundred seventeen billion, five hundred fifty-one million, three hundred twenty-three thousand, seventy-three".