322131134324321 has 12 divisors (see below), whose sum is σ = 374725290921300. Its totient is φ = 276111429441120.

The previous prime is 322131134324221. The next prime is 322131134324401. The reversal of 322131134324321 is 123423431131223.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26128055856721 + 296003078467600 = 5111561^2 + 17204740^2 .

It is not a de Polignac number, because 322131134324321 - 2²⁶ = 322131067215457 is a prime.

It is a super-2 number, since 2×322131134324321² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (322131134324221) 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 in 11 ways as a sum of consecutive naturals, for example, 2682755 + ... + 25523703.

It is an arithmetic number, because the mean of its divisors is an integer number (31227107576775).

Almost surely, 2^{322131134324321} is an apocalyptic number.

It is an amenable number.

322131134324321 is a deficient number, since it is larger than the sum of its proper divisors (52594156596979).

322131134324321 is a wasteful number, since it uses less digits than its factorization.

322131134324321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23128784 (or 23128777 counting only the distinct ones).

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

Adding to 322131134324321 its reverse (123423431131223), we get a palindrome (445554565455544).

The spelling of 322131134324321 in words is "three hundred twenty-two trillion, one hundred thirty-one billion, one hundred thirty-four million, three hundred twenty-four thousand, three hundred twenty-one".