317213284 has 24 divisors (see below), whose sum is σ = 600138560. Its totient is φ = 146196576.

The previous prime is 317213249. The next prime is 317213287. The reversal of 317213284 is 482312713.

317213284 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (317213287) 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, 53592 + ... + 59215.

Almost surely, 2^317213284 is an apocalyptic number.

It is an amenable number.

317213284 is a deficient number, since it is larger than the sum of its proper divisors (282925276).

317213284 is a wasteful number, since it uses less digits than its factorization.

317213284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112867 (or 112865 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 317213284 is about 17810.4824190700. The cubic root of 317213284 is about 681.9990798140. Note that the first 3 decimals are identical.

Adding to 317213284 its reverse (482312713), we get a palindrome (799525997).

The spelling of 317213284 in words is "three hundred seventeen million, two hundred thirteen thousand, two hundred eighty-four".