317450143 has 2 divisors, whose sum is σ = 317450144. Its totient is φ = 317450142.

The previous prime is 317450131. The next prime is 317450179. The reversal of 317450143 is 341054713.

It is a weak prime.

It is an emirp because it is prime and its reverse (341054713) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 317450143 - 2¹⁷ = 317319071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317450113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158725071 + 158725072.

It is an arithmetic number, because the mean of its divisors is an integer number (158725072).

Almost surely, 2^317450143 is an apocalyptic number.

317450143 is a deficient number, since it is larger than the sum of its proper divisors (1).

317450143 is an equidigital number, since it uses as much as digits as its factorization.

317450143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 317450143 is about 17817.1306051227. The cubic root of 317450143 is about 682.1687841726.

The spelling of 317450143 in words is "three hundred seventeen million, four hundred fifty thousand, one hundred forty-three".