317273233 has 2 divisors, whose sum is σ = 317273234. Its totient is φ = 317273232.

The previous prime is 317273213. The next prime is 317273249. The reversal of 317273233 is 332372713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 309337744 + 7935489 = 17588^2 + 2817^2 .

It is a cyclic number.

It is not a de Polignac number, because 317273233 - 2¹³ = 317265041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 317273195 and 317273204.

It is not a weakly prime, because it can be changed into another prime (317273213) 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 as a sum of consecutive naturals, namely, 158636616 + 158636617.

It is an arithmetic number, because the mean of its divisors is an integer number (158636617).

Almost surely, 2^317273233 is an apocalyptic number.

It is an amenable number.

317273233 is a deficient number, since it is larger than the sum of its proper divisors (1).

317273233 is an equidigital number, since it uses as much as digits as its factorization.

317273233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 31.

The square root of 317273233 is about 17812.1653091363. The cubic root of 317273233 is about 682.0420399606.

The spelling of 317273233 in words is "three hundred seventeen million, two hundred seventy-three thousand, two hundred thirty-three".