30321320331223 has 4 divisors (see below), whose sum is σ = 30773877351160. Its totient is φ = 29868763311288.

The previous prime is 30321320331173. The next prime is 30321320331227. The reversal of 30321320331223 is 32213302312303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30321320331223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30321320331191 and 30321320331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30321320331227) 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, 226278509868 + ... + 226278510001.

It is an arithmetic number, because the mean of its divisors is an integer number (7693469337790).

Almost surely, 2^{30321320331223} is an apocalyptic number.

30321320331223 is a deficient number, since it is larger than the sum of its proper divisors (452557019937).

30321320331223 is an equidigital number, since it uses as much as digits as its factorization.

30321320331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452557019936.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 30321320331223 its reverse (32213302312303), we get a palindrome (62534622643526).

The spelling of 30321320331223 in words is "thirty trillion, three hundred twenty-one billion, three hundred twenty million, three hundred thirty-one thousand, two hundred twenty-three".