201316085 has 16 divisors (see below), whose sum is σ = 245681856. Its totient is φ = 158337408.

The previous prime is 201316081. The next prime is 201316097. The reversal of 201316085 is 580613102.

It is a cyclic number.

It is not a de Polignac number, because 201316085 - 2² = 201316081 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201316081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93137 + ... + 95273.

It is an arithmetic number, because the mean of its divisors is an integer number (15355116).

Almost surely, 2^201316085 is an apocalyptic number.

It is an amenable number.

201316085 is a deficient number, since it is larger than the sum of its proper divisors (44365771).

201316085 is a wasteful number, since it uses less digits than its factorization.

201316085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 201316085 is about 14188.5899581319. The cubic root of 201316085 is about 586.0834961612.

Adding to 201316085 its reverse (580613102), we get a palindrome (781929187).

The spelling of 201316085 in words is "two hundred one million, three hundred sixteen thousand, eighty-five".