317435231 has 2 divisors, whose sum is σ = 317435232. Its totient is φ = 317435230.

The previous prime is 317435221. The next prime is 317435269. The reversal of 317435231 is 132534713.

It is a weak prime.

It is an emirp because it is prime and its reverse (132534713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317435231 - 2¹⁰ = 317434207 is a prime.

It is a super-2 number, since 2×317435231² = 201530251760046722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 317435194 and 317435203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317435201) 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 as a sum of consecutive naturals, namely, 158717615 + 158717616.

It is an arithmetic number, because the mean of its divisors is an integer number (158717616).

Almost surely, 2^317435231 is an apocalyptic number.

317435231 is a deficient number, since it is larger than the sum of its proper divisors (1).

317435231 is an equidigital number, since it uses as much as digits as its factorization.

317435231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 317435231 is about 17816.7121265401. The cubic root of 317435231 is about 682.1581025371.

Adding to 317435231 its reverse (132534713), we get a palindrome (449969944).

The spelling of 317435231 in words is "three hundred seventeen million, four hundred thirty-five thousand, two hundred thirty-one".