4331324401321 has 32 divisors (see below), whose sum is σ = 4670618498208. Its totient is φ = 4001973534720.

The previous prime is 4331324401301. The next prime is 4331324401333. The reversal of 4331324401321 is 1231044231334.

It can be written as a sum of positive squares in 16 ways, for example, as 721081197225 + 3610243204096 = 849165^2 + 1900064^2 .

It is a cyclic number.

It is not a de Polignac number, because 4331324401321 - 2⁵ = 4331324401289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4331324401301) 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 31 ways as a sum of consecutive naturals, for example, 340694061 + ... + 340706773.

It is an arithmetic number, because the mean of its divisors is an integer number (145956828069).

Almost surely, 2^{4331324401321} is an apocalyptic number.

It is an amenable number.

4331324401321 is a deficient number, since it is larger than the sum of its proper divisors (339294096887).

4331324401321 is a wasteful number, since it uses less digits than its factorization.

4331324401321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14061.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 4331324401321 its reverse (1231044231334), we get a palindrome (5562368632655).

The spelling of 4331324401321 in words is "four trillion, three hundred thirty-one billion, three hundred twenty-four million, four hundred one thousand, three hundred twenty-one".