317212303 has 2 divisors, whose sum is σ = 317212304. Its totient is φ = 317212302.

The previous prime is 317212279. The next prime is 317212319. The reversal of 317212303 is 303212713.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 317212303 - 2⁵ = 317212271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (317212373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158606151 + 158606152.

It is an arithmetic number, because the mean of its divisors is an integer number (158606152).

Almost surely, 2^317212303 is an apocalyptic number.

317212303 is a deficient number, since it is larger than the sum of its proper divisors (1).

317212303 is an equidigital number, since it uses as much as digits as its factorization.

317212303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 317212303 is about 17810.4548790872. The cubic root of 317212303 is about 681.9983767731.

The spelling of 317212303 in words is "three hundred seventeen million, two hundred twelve thousand, three hundred three".