201013171 has 2 divisors, whose sum is σ = 201013172. Its totient is φ = 201013170.

The previous prime is 201013157. The next prime is 201013213. The reversal of 201013171 is 171310102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201013171 - 2⁵ = 201013139 is a prime.

It is not a weakly prime, because it can be changed into another prime (201013871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100506585 + 100506586.

It is an arithmetic number, because the mean of its divisors is an integer number (100506586).

Almost surely, 2^201013171 is an apocalyptic number.

201013171 is a deficient number, since it is larger than the sum of its proper divisors (1).

201013171 is an equidigital number, since it uses as much as digits as its factorization.

201013171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 201013171 is about 14177.9113765039. The cubic root of 201013171 is about 585.7893947843.

Adding to 201013171 its reverse (171310102), we get a palindrome (372323273).

The spelling of 201013171 in words is "two hundred one million, thirteen thousand, one hundred seventy-one".