321271 has 8 divisors (see below), whose sum is σ = 348080. Its totient is φ = 295488.

The previous prime is 321247. The next prime is 321289. The reversal of 321271 is 172123.

It is a happy number.

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

It is not a de Polignac number, because 321271 - 2⁵ = 321239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (43510).

2³²¹²⁷¹ is an apocalyptic number.

321271 is a deficient number, since it is larger than the sum of its proper divisors (26809).

321271 is a wasteful number, since it uses less digits than its factorization.

321271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513.

The product of its digits is 84, while the sum is 16.

The square root of 321271 is about 566.8077275408. The cubic root of 321271 is about 68.4894757128.

Adding to 321271 its reverse (172123), we get a palindrome (493394).

The spelling of 321271 in words is "three hundred twenty-one thousand, two hundred seventy-one", and thus it is an iban number.