320303221011 has 12 divisors (see below), whose sum is σ = 463544842488. Its totient is φ = 213127187904.

The previous prime is 320303220989. The next prime is 320303221019. The reversal of 320303221011 is 110122303023.

320303221011 is a `hidden beast` number, since 320 + 3 + 0 + 322 + 10 + 11 = 666.

It is not a de Polignac number, because 320303221011 - 2¹³ = 320303212819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320303221019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34019430 + ... + 34028843.

It is an arithmetic number, because the mean of its divisors is an integer number (38628736874).

Almost surely, 2^320303221011 is an apocalyptic number.

320303221011 is a deficient number, since it is larger than the sum of its proper divisors (143241621477).

320303221011 is a wasteful number, since it uses less digits than its factorization.

320303221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68048802 (or 68048799 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 320303221011 its reverse (110122303023), we get a palindrome (430425524034).

The spelling of 320303221011 in words is "three hundred twenty billion, three hundred three million, two hundred twenty-one thousand, eleven".