320132231 has 8 divisors (see below), whose sum is σ = 327072384. Its totient is φ = 313255800.

The previous prime is 320132221. The next prime is 320132233. The reversal of 320132231 is 132231023.

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 320132231 - 2²⁶ = 253023367 is a prime.

It is a super-2 number, since 2×320132231² = 204969290650074722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320132233) 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, 5705 + ... + 25938.

It is an arithmetic number, because the mean of its divisors is an integer number (40884048).

Almost surely, 2^320132231 is an apocalyptic number.

320132231 is a deficient number, since it is larger than the sum of its proper divisors (6940153).

320132231 is a wasteful number, since it uses less digits than its factorization.

320132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31861.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 320132231 is about 17892.2394070726. The cubic root of 320132231 is about 684.0845789589.

Adding to 320132231 its reverse (132231023), we get a palindrome (452363254).

The spelling of 320132231 in words is "three hundred twenty million, one hundred thirty-two thousand, two hundred thirty-one".