320171 has 4 divisors (see below), whose sum is σ = 321432. Its totient is φ = 318912.

The previous prime is 320153. The next prime is 320179. The reversal of 320171 is 171023.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 320171 - 2⁶ = 320107 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320171.

It is not an unprimeable number, because it can be changed into a prime (320179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101 + ... + 806.

It is an arithmetic number, because the mean of its divisors is an integer number (80358).

2³²⁰¹⁷¹ is an apocalyptic number.

320171 is a deficient number, since it is larger than the sum of its proper divisors (1261).

320171 is an equidigital number, since it uses as much as digits as its factorization.

320171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 320171 is about 565.8365488372. The cubic root of 320171 is about 68.4112192761.

Adding to 320171 its reverse (171023), we get a palindrome (491194).

The spelling of 320171 in words is "three hundred twenty thousand, one hundred seventy-one", and thus it is an iban number.