3112421321 has 8 divisors (see below), whose sum is σ = 3133183680. Its totient is φ = 3091709488.

The previous prime is 3112421303. The next prime is 3112421327. The reversal of 3112421321 is 1231242113.

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-3112421321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112421293 and 3112421302.

It is not an unprimeable number, because it can be changed into a prime (3112421327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115250 + ... + 139668.

It is an arithmetic number, because the mean of its divisors is an integer number (391647960).

Almost surely, 2^3112421321 is an apocalyptic number.

It is an amenable number.

3112421321 is a deficient number, since it is larger than the sum of its proper divisors (20762359).

3112421321 is a wasteful number, since it uses less digits than its factorization.

3112421321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25263.

The product of its digits is 288, while the sum is 20.

The square root of 3112421321 is about 55789.0788685384. The cubic root of 3112421321 is about 1460.0446162946.

Adding to 3112421321 its reverse (1231242113), we get a palindrome (4343663434).

The spelling of 3112421321 in words is "three billion, one hundred twelve million, four hundred twenty-one thousand, three hundred twenty-one".