317316133 has 2 divisors, whose sum is σ = 317316134. Its totient is φ = 317316132.

The previous prime is 317316127. The next prime is 317316137. The reversal of 317316133 is 331613713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247810564 + 69505569 = 15742^2 + 8337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-317316133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317316137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158658066 + 158658067.

It is an arithmetic number, because the mean of its divisors is an integer number (158658067).

Almost surely, 2^317316133 is an apocalyptic number.

It is an amenable number.

317316133 is a deficient number, since it is larger than the sum of its proper divisors (1).

317316133 is an equidigital number, since it uses as much as digits as its factorization.

317316133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 28.

The square root of 317316133 is about 17813.3695015850. The cubic root of 317316133 is about 682.0727792749.

Adding to 317316133 its reverse (331613713), we get a palindrome (648929846).

It can be divided in two parts, 3173 and 16133, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 317316133 in words is "three hundred seventeen million, three hundred sixteen thousand, one hundred thirty-three".