4331213321 has 8 divisors (see below), whose sum is σ = 4346784000. Its totient is φ = 4315670800.

The previous prime is 4331213311. The next prime is 4331213347. The reversal of 4331213321 is 1233121334.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4331213321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4331213311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329330 + ... + 342228.

It is an arithmetic number, because the mean of its divisors is an integer number (543348000).

Almost surely, 2^4331213321 is an apocalyptic number.

It is an amenable number.

4331213321 is a deficient number, since it is larger than the sum of its proper divisors (15570679).

4331213321 is a wasteful number, since it uses less digits than its factorization.

4331213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14079.

The product of its digits is 1296, while the sum is 23.

The square root of 4331213321 is about 65811.9542408520. The cubic root of 4331213321 is about 1630.0585022976.

Adding to 4331213321 its reverse (1233121334), we get a palindrome (5564334655).

The spelling of 4331213321 in words is "four billion, three hundred thirty-one million, two hundred thirteen thousand, three hundred twenty-one".