201311313 has 16 divisors (see below), whose sum is σ = 307077120. Its totient is φ = 114916176.

The previous prime is 201311309. The next prime is 201311323. The reversal of 201311313 is 313113102.

It is not a de Polignac number, because 201311313 - 2² = 201311309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201311292 and 201311301.

It is not an unprimeable number, because it can be changed into a prime (201311323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18418 + ... + 27236.

It is an arithmetic number, because the mean of its divisors is an integer number (19192320).

Almost surely, 2^201311313 is an apocalyptic number.

It is an amenable number.

201311313 is a deficient number, since it is larger than the sum of its proper divisors (105765807).

201311313 is a wasteful number, since it uses less digits than its factorization.

201311313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9916.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 201311313 is about 14188.4217938430. The cubic root of 201311313 is about 586.0788652801.

Adding to 201311313 its reverse (313113102), we get a palindrome (514424415).

The spelling of 201311313 in words is "two hundred one million, three hundred eleven thousand, three hundred thirteen".