317506488349 has 4 divisors (see below), whose sum is σ = 317529998236. Its totient is φ = 317482978464.

The previous prime is 317506488311. The next prime is 317506488361. The reversal of 317506488349 is 943884605713.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 232668275449 + 84838212900 = 482357^2 + 291270^2 .

It is a cyclic number.

It is not a de Polignac number, because 317506488349 - 2¹⁷ = 317506357277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317506488293 and 317506488302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317506488379) 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 in 3 ways as a sum of consecutive naturals, for example, 11734674 + ... + 11761699.

It is an arithmetic number, because the mean of its divisors is an integer number (79382499559).

Almost surely, 2^317506488349 is an apocalyptic number.

It is an amenable number.

317506488349 is a deficient number, since it is larger than the sum of its proper divisors (23509887).

317506488349 is a wasteful number, since it uses less digits than its factorization.

317506488349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23509886.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 317506488349 in words is "three hundred seventeen billion, five hundred six million, four hundred eighty-eight thousand, three hundred forty-nine".