320132273 has 6 divisors (see below), whose sum is σ = 337868514. Its totient is φ = 303282864.

The previous prime is 320132261. The next prime is 320132299. The reversal of 320132273 is 372231023.

It can be written as a sum of positive squares in only one way, i.e., 170877184 + 149255089 = 13072^2 + 12217^2 .

It is not a de Polignac number, because 320132273 - 2¹² = 320128177 is a prime.

It is a super-2 number, since 2×320132273² = 204969344432293058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320132203) 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 5 ways as a sum of consecutive naturals, for example, 443036 + ... + 443757.

It is an arithmetic number, because the mean of its divisors is an integer number (56311419).

Almost surely, 2^320132273 is an apocalyptic number.

It is an amenable number.

320132273 is a deficient number, since it is larger than the sum of its proper divisors (17736241).

320132273 is an equidigital number, since it uses as much as digits as its factorization.

320132273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886831 (or 886812 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 320132273 is about 17892.2405807657. The cubic root of 320132273 is about 684.0846088753.

Adding to 320132273 its reverse (372231023), we get a palindrome (692363296).

The spelling of 320132273 in words is "three hundred twenty million, one hundred thirty-two thousand, two hundred seventy-three".