317130503 has 2 divisors, whose sum is σ = 317130504. Its totient is φ = 317130502.

The previous prime is 317130491. The next prime is 317130571. The reversal of 317130503 is 305031713.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 317130503 - 2⁶ = 317130439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317130703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158565251 + 158565252.

It is an arithmetic number, because the mean of its divisors is an integer number (158565252).

Almost surely, 2^317130503 is an apocalyptic number.

317130503 is a deficient number, since it is larger than the sum of its proper divisors (1).

317130503 is an equidigital number, since it uses as much as digits as its factorization.

317130503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 23.

The square root of 317130503 is about 17808.1583270141. The cubic root of 317130503 is about 681.9397490941.

The spelling of 317130503 in words is "three hundred seventeen million, one hundred thirty thousand, five hundred three".