3312338721 has 32 divisors (see below), whose sum is σ = 4748647680. Its totient is φ = 2048876544.

The previous prime is 3312338707. The next prime is 3312338737. The reversal of 3312338721 is 1278332133.

It is not a de Polignac number, because 3312338721 - 2⁶ = 3312338657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3312338741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 320385 + ... + 330561.

It is an arithmetic number, because the mean of its divisors is an integer number (148395240).

Almost surely, 2^3312338721 is an apocalyptic number.

It is an amenable number.

3312338721 is a deficient number, since it is larger than the sum of its proper divisors (1436308959).

3312338721 is a wasteful number, since it uses less digits than its factorization.

3312338721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345.

The product of its digits is 18144, while the sum is 33.

The square root of 3312338721 is about 57552.9210466332. The cubic root of 3312338721 is about 1490.6587962521.

The spelling of 3312338721 in words is "three billion, three hundred twelve million, three hundred thirty-eight thousand, seven hundred twenty-one".