317318429 has 2 divisors, whose sum is σ = 317318430. Its totient is φ = 317318428.

The previous prime is 317318389. The next prime is 317318459. The reversal of 317318429 is 924813713.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269846329 + 47472100 = 16427^2 + 6890^2 .

It is a cyclic number.

It is not a de Polignac number, because 317318429 - 2⁸ = 317318173 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 317318392 and 317318401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317318459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158659214 + 158659215.

It is an arithmetic number, because the mean of its divisors is an integer number (158659215).

Almost surely, 2^317318429 is an apocalyptic number.

It is an amenable number.

317318429 is a deficient number, since it is larger than the sum of its proper divisors (1).

317318429 is an equidigital number, since it uses as much as digits as its factorization.

317318429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 317318429 is about 17813.4339474454. The cubic root of 317318429 is about 682.0744243591.

The spelling of 317318429 in words is "three hundred seventeen million, three hundred eighteen thousand, four hundred twenty-nine".