320003241 has 16 divisors (see below), whose sum is σ = 435340224. Its totient is φ = 209012544.

The previous prime is 320003239. The next prime is 320003267. The reversal of 320003241 is 142300023.

320003241 = 33² + 34² + ... + 986².

It is not a de Polignac number, because 320003241 - 2¹ = 320003239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320003241.

It is not an unprimeable number, because it can be changed into a prime (320003221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195870 + ... + 197496.

It is an arithmetic number, because the mean of its divisors is an integer number (27208764).

Almost surely, 2^320003241 is an apocalyptic number.

It is an amenable number.

320003241 is a deficient number, since it is larger than the sum of its proper divisors (115336983).

320003241 is a wasteful number, since it uses less digits than its factorization.

320003241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 320003241 is about 17888.6344084729. The cubic root of 320003241 is about 683.9926878429.

Adding to 320003241 its reverse (142300023), we get a palindrome (462303264).

The spelling of 320003241 in words is "three hundred twenty million, three thousand, two hundred forty-one".