304144330 has 32 divisors (see below), whose sum is σ = 631877760. Its totient is φ = 103243200.

The previous prime is 304144307. The next prime is 304144339. The reversal of 304144330 is 33441403.

304144330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×304144330² = 185007546942297800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304144339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14440 + ... + 28579.

It is an arithmetic number, because the mean of its divisors is an integer number (19746180).

Almost surely, 2^304144330 is an apocalyptic number.

304144330 is an abundant number, since it is smaller than the sum of its proper divisors (327733430).

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

304144330 is a wasteful number, since it uses less digits than its factorization.

304144330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43134.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 304144330 is about 17439.7342296263. The cubic root of 304144330 is about 672.5014754693.

Adding to 304144330 its reverse (33441403), we get a palindrome (337585733).

The spelling of 304144330 in words is "three hundred four million, one hundred forty-four thousand, three hundred thirty".