2304021312 has 42 divisors (see below), whose sum is σ = 6604062738. Its totient is φ = 768006912.

The previous prime is 2304021287. The next prime is 2304021329. The reversal of 2304021312 is 2131204032.

2304021312 is a `hidden beast` number, since 230 + 402 + 1 + 31 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1772073216 + 531948096 = 42096^2 + 23064^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

2304021312 is a modest number, since divided by 21312 gives 2304 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1999443 + ... + 2000594.

It is an arithmetic number, because the mean of its divisors is an integer number (157239589).

Almost surely, 2^2304021312 is an apocalyptic number.

It is an amenable number.

2304021312 is an abundant number, since it is smaller than the sum of its proper divisors (4300041426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2304021312 is a wasteful number, since it uses less digits than its factorization.

2304021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000055 (or 4000042 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2304021312 is about 48000.2219994866. The cubic root of 2304021312 is about 1320.7749719222.

Adding to 2304021312 its reverse (2131204032), we get a palindrome (4435225344).

The spelling of 2304021312 in words is "two billion, three hundred four million, twenty-one thousand, three hundred twelve".