320212030321 has 16 divisors (see below), whose sum is σ = 334071864000. Its totient is φ = 306547476928.

The previous prime is 320212030319. The next prime is 320212030343. The reversal of 320212030321 is 123030212023.

It is a cyclic number.

It is not a de Polignac number, because 320212030321 - 2¹ = 320212030319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320212033321) 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, 2366910 + ... + 2498536.

It is an arithmetic number, because the mean of its divisors is an integer number (20879491500).

Almost surely, 2^320212030321 is an apocalyptic number.

It is an amenable number.

320212030321 is a deficient number, since it is larger than the sum of its proper divisors (13859833679).

320212030321 is a wasteful number, since it uses less digits than its factorization.

320212030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132368.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 320212030321 its reverse (123030212023), we get a palindrome (443242242344).

The spelling of 320212030321 in words is "three hundred twenty billion, two hundred twelve million, thirty thousand, three hundred twenty-one".