317200242 has 16 divisors (see below), whose sum is σ = 640560960. Its totient is φ = 104706672.

The previous prime is 317200241. The next prime is 317200249. The reversal of 317200242 is 242002713.

It is not an unprimeable number, because it can be changed into a prime (317200241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256017 + ... + 257252.

It is an arithmetic number, because the mean of its divisors is an integer number (40035060).

Almost surely, 2^317200242 is an apocalyptic number.

317200242 is an abundant number, since it is smaller than the sum of its proper divisors (323360718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317200242 is a wasteful number, since it uses less digits than its factorization.

317200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513377.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 317200242 is about 17810.1162826075. The cubic root of 317200242 is about 681.9897330492.

Adding to 317200242 its reverse (242002713), we get a palindrome (559202955).

The spelling of 317200242 in words is "three hundred seventeen million, two hundred thousand, two hundred forty-two".