320003242 has 16 divisors (see below), whose sum is σ = 517386240. Its totient is φ = 147562992.

The previous prime is 320003239. The next prime is 320003267. The reversal of 320003242 is 242300023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28443 + ... + 38065.

It is an arithmetic number, because the mean of its divisors is an integer number (32336640).

Almost surely, 2^320003242 is an apocalyptic number.

320003242 is a deficient number, since it is larger than the sum of its proper divisors (197382998).

320003242 is a wasteful number, since it uses less digits than its factorization.

320003242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10917.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 320003242 is about 17888.6344364236. The cubic root of 320003242 is about 683.9926885554.

Adding to 320003242 its reverse (242300023), we get a palindrome (562303265).

The spelling of 320003242 in words is "three hundred twenty million, three thousand, two hundred forty-two".