317016242 has 8 divisors (see below), whose sum is σ = 475675932. Its totient is φ = 158457600.

The previous prime is 317016233. The next prime is 317016247. The reversal of 317016242 is 242610713.

It can be written as a sum of positive squares in 2 ways, for example, as 315808441 + 1207801 = 17771^2 + 1099^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (317016247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16859 + ... + 30302.

Almost surely, 2^317016242 is an apocalyptic number.

317016242 is a deficient number, since it is larger than the sum of its proper divisors (158659690).

317016242 is a wasteful number, since it uses less digits than its factorization.

317016242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50524.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 317016242 is about 17804.9499297246. The cubic root of 317016242 is about 681.8578390951.

Adding to 317016242 its reverse (242610713), we get a palindrome (559626955).

The spelling of 317016242 in words is "three hundred seventeen million, sixteen thousand, two hundred forty-two".