321044232221331 has 16 divisors (see below), whose sum is σ = 428120795193600. Its totient is φ = 213998580959328.

The previous prime is 321044232221249. The next prime is 321044232221351. The reversal of 321044232221331 is 133122232440123.

It is a happy number.

It is not a de Polignac number, because 321044232221331 - 2¹⁹ = 321044231697043 is a prime.

It is a super-2 number, since 2×321044232221331² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321044232221292 and 321044232221301.

It is not an unprimeable number, because it can be changed into a prime (321044232221351) 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 15 ways as a sum of consecutive naturals, for example, 597758610 + ... + 598295448.

It is an arithmetic number, because the mean of its divisors is an integer number (26757549699600).

Almost surely, 2^{321044232221331} is an apocalyptic number.

321044232221331 is a deficient number, since it is larger than the sum of its proper divisors (107076562972269).

321044232221331 is a wasteful number, since it uses less digits than its factorization.

321044232221331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565258.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 321044232221331 its reverse (133122232440123), we get a palindrome (454166464661454).

The spelling of 321044232221331 in words is "three hundred twenty-one trillion, forty-four billion, two hundred thirty-two million, two hundred twenty-one thousand, three hundred thirty-one".