3120243321 has 8 divisors (see below), whose sum is σ = 4480349440. Its totient is φ = 1920149712.

The previous prime is 3120243241. The next prime is 3120243331. The reversal of 3120243321 is 1233420213.

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

It is not a de Polignac number, because 3120243321 - 2⁷ = 3120243193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3120243331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40003081 + ... + 40003158.

It is an arithmetic number, because the mean of its divisors is an integer number (560043680).

Almost surely, 2^3120243321 is an apocalyptic number.

It is an amenable number.

3120243321 is a deficient number, since it is larger than the sum of its proper divisors (1360106119).

3120243321 is a wasteful number, since it uses less digits than its factorization.

3120243321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80006255.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3120243321 is about 55859.1382049526. The cubic root of 3120243321 is about 1461.2666996833.

Adding to 3120243321 its reverse (1233420213), we get a palindrome (4353663534).

The spelling of 3120243321 in words is "three billion, one hundred twenty million, two hundred forty-three thousand, three hundred twenty-one".