317431607 has 2 divisors, whose sum is σ = 317431608. Its totient is φ = 317431606.

The previous prime is 317431601. The next prime is 317431637. The reversal of 317431607 is 706134713.

It is a weak prime.

It is an emirp because it is prime and its reverse (706134713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317431607 - 2¹⁴ = 317415223 is a prime.

It is a Chen prime.

It is equal to p_17144177 and since 317431607 and 17144177 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317431601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158715803 + 158715804.

It is an arithmetic number, because the mean of its divisors is an integer number (158715804).

Almost surely, 2^317431607 is an apocalyptic number.

317431607 is a deficient number, since it is larger than the sum of its proper divisors (1).

317431607 is an equidigital number, since it uses as much as digits as its factorization.

317431607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 317431607 is about 17816.6104239836. The cubic root of 317431607 is about 682.1555065741.

The spelling of 317431607 in words is "three hundred seventeen million, four hundred thirty-one thousand, six hundred seven".