3220320323303 has 4 divisors (see below), whose sum is σ = 3220353398808. Its totient is φ = 3220287247800.

The previous prime is 3220320323261. The next prime is 3220320323309. The reversal of 3220320323303 is 3033230230223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220320323303 - 2¹² = 3220320319207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220320323309) 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, 16391276 + ... + 16586577.

It is an arithmetic number, because the mean of its divisors is an integer number (805088349702).

Almost surely, 2^{3220320323303} is an apocalyptic number.

3220320323303 is a deficient number, since it is larger than the sum of its proper divisors (33075505).

3220320323303 is an equidigital number, since it uses as much as digits as its factorization.

3220320323303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33075504.

The product of its (nonzero) digits is 11664, while the sum is 26.

Adding to 3220320323303 its reverse (3033230230223), we get a palindrome (6253550553526).

The spelling of 3220320323303 in words is "three trillion, two hundred twenty billion, three hundred twenty million, three hundred twenty-three thousand, three hundred three".