320541000321 has 8 divisors (see below), whose sum is σ = 427534528384. Its totient is φ = 213620736240.

The previous prime is 320541000319. The next prime is 320541000331. The reversal of 320541000321 is 123000145023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 320541000321 - 2¹ = 320541000319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320541000331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18305785 + ... + 18323286.

It is an arithmetic number, because the mean of its divisors is an integer number (53441816048).

Almost surely, 2^320541000321 is an apocalyptic number.

It is an amenable number.

320541000321 is a deficient number, since it is larger than the sum of its proper divisors (106993528063).

320541000321 is a wasteful number, since it uses less digits than its factorization.

320541000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36631991.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 320541000321 its reverse (123000145023), we get a palindrome (443541145344).

The spelling of 320541000321 in words is "three hundred twenty billion, five hundred forty-one million, three hundred twenty-one", and thus it is an aban number.