317235213 has 12 divisors (see below), whose sum is σ = 463750560. Its totient is φ = 208941576.

The previous prime is 317235187. The next prime is 317235241. The reversal of 317235213 is 312532713.

It is not a de Polignac number, because 317235213 - 2²⁸ = 48799757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317235293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211593 + ... + 213086.

It is an arithmetic number, because the mean of its divisors is an integer number (38645880).

Almost surely, 2^317235213 is an apocalyptic number.

It is an amenable number.

317235213 is a deficient number, since it is larger than the sum of its proper divisors (146515347).

317235213 is a wasteful number, since it uses less digits than its factorization.

317235213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424768 (or 424765 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 317235213 is about 17811.0980290380. The cubic root of 317235213 is about 682.0147950168.

Adding to 317235213 its reverse (312532713), we get a palindrome (629767926).

The spelling of 317235213 in words is "three hundred seventeen million, two hundred thirty-five thousand, two hundred thirteen".