304531116 has 12 divisors (see below), whose sum is σ = 710572632. Its totient is φ = 101510368.

The previous prime is 304531111. The next prime is 304531133. The reversal of 304531116 is 611135403.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×304531116² = 185478401224410912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304531111) 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 3 ways as a sum of consecutive naturals, for example, 12688785 + ... + 12688808.

It is an arithmetic number, because the mean of its divisors is an integer number (59214386).

Almost surely, 2^304531116 is an apocalyptic number.

It is an amenable number.

304531116 is an abundant number, since it is smaller than the sum of its proper divisors (406041516).

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

304531116 is a wasteful number, since it uses less digits than its factorization.

304531116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25377600 (or 25377598 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 304531116 is about 17450.8199234305. The cubic root of 304531116 is about 672.7864322523.

Adding to 304531116 its reverse (611135403), we get a palindrome (915666519).

The spelling of 304531116 in words is "three hundred four million, five hundred thirty-one thousand, one hundred sixteen".