201313 has 4 divisors (see below), whose sum is σ = 230080. Its totient is φ = 172548.

The previous prime is 201307. The next prime is 201329. The reversal of 201313 is 313102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201313 - 2⁵ = 201281 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201313.

It is not an unprimeable number, because it can be changed into a prime (201413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14373 + ... + 14386.

It is an arithmetic number, because the mean of its divisors is an integer number (57520).

2²⁰¹³¹³ is an apocalyptic number.

It is an amenable number.

201313 is a deficient number, since it is larger than the sum of its proper divisors (28767).

201313 is an equidigital number, since it uses as much as digits as its factorization.

201313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28766.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 201313 is about 448.6791726836. The cubic root of 201313 is about 58.6080502400.

Subtracting from 201313 its product of nonzero digits (18), we obtain a triangular number (201295 = T₆₃₄).

Adding to 201313 its reverse (313102), we get a palindrome (514415).

The spelling of 201313 in words is "two hundred one thousand, three hundred thirteen".