320030032 has 40 divisors (see below), whose sum is σ = 750326976. Its totient is φ = 129086976.

The previous prime is 320029991. The next prime is 320030033. The reversal of 320030032 is 230030023.

320030032 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 320029994 and 320030021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320030033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82138 + ... + 85945.

Almost surely, 2^320030032 is an apocalyptic number.

It is an amenable number.

320030032 is an abundant number, since it is smaller than the sum of its proper divisors (430296944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320030032 is a wasteful number, since it uses less digits than its factorization.

320030032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168115 (or 168109 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 320030032 is about 17889.3832202231. The cubic root of 320030032 is about 684.0117755003.

Adding to 320030032 its reverse (230030023), we get a palindrome (550060055).

Subtracting from 320030032 its reverse (230030023), we obtain a palindrome (90000009).

The spelling of 320030032 in words is "three hundred twenty million, thirty thousand, thirty-two".