171315871 has 8 divisors (see below), whose sum is σ = 173997824. Its totient is φ = 168652800.

The previous prime is 171315863. The next prime is 171315887. The reversal of 171315871 is 178513171.

171315871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 171315871 - 2³ = 171315863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171315821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14146 + ... + 23296.

It is an arithmetic number, because the mean of its divisors is an integer number (21749728).

Almost surely, 2^171315871 is an apocalyptic number.

171315871 is a deficient number, since it is larger than the sum of its proper divisors (2681953).

171315871 is an equidigital number, since it uses as much as digits as its factorization.

171315871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441.

The product of its digits is 5880, while the sum is 34.

The square root of 171315871 is about 13088.7688878672. The cubic root of 171315871 is about 555.3914625874.

The spelling of 171315871 in words is "one hundred seventy-one million, three hundred fifteen thousand, eight hundred seventy-one".