320003030310221 has 8 divisors (see below), whose sum is σ = 332812911434784. Its totient is φ = 307437146921520.

The previous prime is 320003030310209. The next prime is 320003030310283. The reversal of 320003030310221 is 122013030300023.

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

It is a cyclic number.

It is not a de Polignac number, because 320003030310221 - 2¹⁸ = 320003030048077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320003030310193 and 320003030310202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320003030310721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60999431291 + ... + 60999436536.

It is an arithmetic number, because the mean of its divisors is an integer number (41601613929348).

Almost surely, 2^{320003030310221} is an apocalyptic number.

It is an amenable number.

320003030310221 is a deficient number, since it is larger than the sum of its proper divisors (12809881124563).

320003030310221 is a wasteful number, since it uses less digits than its factorization.

320003030310221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121998867931.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320003030310221 its reverse (122013030300023), we get a palindrome (442016060610244).

The spelling of 320003030310221 in words is "three hundred twenty trillion, three billion, thirty million, three hundred ten thousand, two hundred twenty-one".