304200312 has 128 divisors (see below), whose sum is σ = 878895360. Its totient is φ = 86906880.

The previous prime is 304200307. The next prime is 304200313. The reversal of 304200312 is 213002403.

304200312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 304200291 and 304200300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304200313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 439887 + ... + 440577.

It is an arithmetic number, because the mean of its divisors is an integer number (6866370).

Almost surely, 2^304200312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304200312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439447680).

304200312 is an abundant number, since it is smaller than the sum of its proper divisors (574695048).

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

304200312 is a wasteful number, since it uses less digits than its factorization.

304200312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 304200312 is about 17441.3391687680. The cubic root of 304200312 is about 672.5427340257.

Adding to 304200312 its reverse (213002403), we get a palindrome (517202715).

The spelling of 304200312 in words is "three hundred four million, two hundred thousand, three hundred twelve".