220311320213323 has 2 divisors, whose sum is σ = 220311320213324. Its totient is φ = 220311320213322.

The previous prime is 220311320213317. The next prime is 220311320213357. The reversal of 220311320213323 is 323312023113022.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220311320213323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220311320213291 and 220311320213300.

It is not a weakly prime, because it can be changed into another prime (220311320213123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110155660106661 + 110155660106662.

It is an arithmetic number, because the mean of its divisors is an integer number (110155660106662).

Almost surely, 2^{220311320213323} is an apocalyptic number.

220311320213323 is a deficient number, since it is larger than the sum of its proper divisors (1).

220311320213323 is an equidigital number, since it uses as much as digits as its factorization.

220311320213323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 220311320213323 its reverse (323312023113022), we get a palindrome (543623343326345).

The spelling of 220311320213323 in words is "two hundred twenty trillion, three hundred eleven billion, three hundred twenty million, two hundred thirteen thousand, three hundred twenty-three".