317048231 has 4 divisors (see below), whose sum is σ = 333735000. Its totient is φ = 300361464.

The previous prime is 317048219. The next prime is 317048233. The reversal of 317048231 is 132840713.

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

It is a cyclic number.

It is not a de Polignac number, because 317048231 - 2¹⁰ = 317047207 is a prime.

It is a super-2 number, since 2×317048231² = 201039161560458722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317048194 and 317048203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317048233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8343356 + ... + 8343393.

It is an arithmetic number, because the mean of its divisors is an integer number (83433750).

Almost surely, 2^317048231 is an apocalyptic number.

317048231 is a deficient number, since it is larger than the sum of its proper divisors (16686769).

317048231 is a wasteful number, since it uses less digits than its factorization.

317048231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16686768.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 317048231 is about 17805.8482246705. The cubic root of 317048231 is about 681.8807729535.

Adding to 317048231 its reverse (132840713), we get a palindrome (449888944).

The spelling of 317048231 in words is "three hundred seventeen million, forty-eight thousand, two hundred thirty-one".