4313243221 has 8 divisors (see below), whose sum is σ = 4952784704. Its totient is φ = 3679542720.

The previous prime is 4313243197. The next prime is 4313243227. The reversal of 4313243221 is 1223423134.

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

It is not a de Polignac number, because 4313243221 - 2⁵ = 4313243189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4313243227) 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, 1458660 + ... + 1461613.

It is an arithmetic number, because the mean of its divisors is an integer number (619098088).

Almost surely, 2^4313243221 is an apocalyptic number.

It is an amenable number.

4313243221 is a deficient number, since it is larger than the sum of its proper divisors (639541483).

4313243221 is a wasteful number, since it uses less digits than its factorization.

4313243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920491.

The product of its digits is 3456, while the sum is 25.

The square root of 4313243221 is about 65675.2862270124. The cubic root of 4313243221 is about 1627.8010194792.

Adding to 4313243221 its reverse (1223423134), we get a palindrome (5536666355).

The spelling of 4313243221 in words is "four billion, three hundred thirteen million, two hundred forty-three thousand, two hundred twenty-one".