326216224331 has 2 divisors, whose sum is σ = 326216224332. Its totient is φ = 326216224330.

The previous prime is 326216224207. The next prime is 326216224343. The reversal of 326216224331 is 133422612623.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (133422612623) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-326216224331 is a prime.

It is a super-4 number, since 4×326216224331⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 326216224291 and 326216224300.

It is not a weakly prime, because it can be changed into another prime (326216224351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163108112165 + 163108112166.

It is an arithmetic number, because the mean of its divisors is an integer number (163108112166).

Almost surely, 2^326216224331 is an apocalyptic number.

326216224331 is a deficient number, since it is larger than the sum of its proper divisors (1).

326216224331 is an equidigital number, since it uses as much as digits as its factorization.

326216224331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 35.

Adding to 326216224331 its reverse (133422612623), we get a palindrome (459638836954).

The spelling of 326216224331 in words is "three hundred twenty-six billion, two hundred sixteen million, two hundred twenty-four thousand, three hundred thirty-one".