3231220221324 has 192 divisors, whose sum is σ = 8643494737920. Its totient is φ = 1043121784320.

The previous prime is 3231220221301. The next prime is 3231220221349. The reversal of 3231220221324 is 4231220221323.

3231220221324 is a `hidden beast` number, since 3 + 2 + 312 + 2 + 0 + 2 + 21 + 324 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 904848459 + ... + 904852029.

It is an arithmetic number, because the mean of its divisors is an integer number (45018201760).

Almost surely, 2^{3231220221324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3231220221324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4321747368960).

3231220221324 is an abundant number, since it is smaller than the sum of its proper divisors (5412274516596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3231220221324 is a wasteful number, since it uses less digits than its factorization.

3231220221324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605 (or 4597 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 3231220221324 its reverse (4231220221323), we get a palindrome (7462440442647).

Subtracting 3231220221324 from its reverse (4231220221323), we obtain a palindrome (999999999999).

The spelling of 3231220221324 in words is "three trillion, two hundred thirty-one billion, two hundred twenty million, two hundred twenty-one thousand, three hundred twenty-four".