201317 has 4 divisors (see below), whose sum is σ = 206796. Its totient is φ = 195840.

The previous prime is 201307. The next prime is 201329. The reversal of 201317 is 713102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 164836 + 36481 = 406^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 201317 - 2¹⁰ = 200293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 201317.

It is not an unprimeable number, because it can be changed into a prime (201307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2684 + ... + 2757.

It is an arithmetic number, because the mean of its divisors is an integer number (51699).

2²⁰¹³¹⁷ is an apocalyptic number.

It is an amenable number.

201317 is a deficient number, since it is larger than the sum of its proper divisors (5479).

201317 is an equidigital number, since it uses as much as digits as its factorization.

201317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 201317 is about 448.6836301895. The cubic root of 201317 is about 58.6084384094.

Adding to 201317 its reverse (713102), we get a palindrome (914419).

The spelling of 201317 in words is "two hundred one thousand, three hundred seventeen", and thus it is an iban number.