317145283 has 64 divisors (see below), whose sum is σ = 435527680. Its totient is φ = 223948800.

The previous prime is 317145281. The next prime is 317145287. The reversal of 317145283 is 382541713.

It is a cyclic number.

It is not a de Polignac number, because 317145283 - 2¹ = 317145281 is a prime.

It is a super-2 number, since 2×317145283² = 201162261058300178, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317145281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3269491 + ... + 3269587.

It is an arithmetic number, because the mean of its divisors is an integer number (6805120).

Almost surely, 2^317145283 is an apocalyptic number.

317145283 is a deficient number, since it is larger than the sum of its proper divisors (118382397).

317145283 is a wasteful number, since it uses less digits than its factorization.

317145283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228.

The product of its digits is 20160, while the sum is 34.

The square root of 317145283 is about 17808.5733005202. The cubic root of 317145283 is about 681.9503429588.

Adding to 317145283 its reverse (382541713), we get a palindrome (699686996).

The spelling of 317145283 in words is "three hundred seventeen million, one hundred forty-five thousand, two hundred eighty-three".