320303220213 has 4 divisors (see below), whose sum is σ = 427070960288. Its totient is φ = 213535480140.

The previous prime is 320303220169. The next prime is 320303220227. The reversal of 320303220213 is 312022303023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 320303220213 - 2²² = 320299025909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320303220213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320303230213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53383870033 + ... + 53383870038.

It is an arithmetic number, because the mean of its divisors is an integer number (106767740072).

Almost surely, 2^320303220213 is an apocalyptic number.

It is an amenable number.

320303220213 is a deficient number, since it is larger than the sum of its proper divisors (106767740075).

320303220213 is a wasteful number, since it uses less digits than its factorization.

320303220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106767740074.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 320303220213 its reverse (312022303023), we get a palindrome (632325523236).

The spelling of 320303220213 in words is "three hundred twenty billion, three hundred three million, two hundred twenty thousand, two hundred thirteen".