3220231332321 has 128 divisors (see below), whose sum is σ = 5105168547840. Its totient is φ = 2001862646784.

The previous prime is 3220231332281. The next prime is 3220231332397. The reversal of 3220231332321 is 1232331320223.

3220231332321 is a `hidden beast` number, since 3 + 2 + 2 + 0 + 2 + 3 + 1 + 332 + 321 = 666.

It is not a de Polignac number, because 3220231332321 - 2¹⁰ = 3220231331297 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3220231332221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1802031190 + ... + 1802032976.

It is an arithmetic number, because the mean of its divisors is an integer number (39884129280).

Almost surely, 2^{3220231332321} is an apocalyptic number.

It is an amenable number.

3220231332321 is a deficient number, since it is larger than the sum of its proper divisors (1884937215519).

3220231332321 is a wasteful number, since it uses less digits than its factorization.

3220231332321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332 (or 2326 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 3220231332321 its reverse (1232331320223), we get a palindrome (4452562652544).

The spelling of 3220231332321 in words is "three trillion, two hundred twenty billion, two hundred thirty-one million, three hundred thirty-two thousand, three hundred twenty-one".