304312132 has 24 divisors (see below), whose sum is σ = 562315040. Its totient is φ = 143700480.

The previous prime is 304312117. The next prime is 304312139. The reversal of 304312132 is 231213403.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (304312139) 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 7 ways as a sum of consecutive naturals, for example, 19108 + ... + 31204.

Almost surely, 2^304312132 is an apocalyptic number.

It is an amenable number.

304312132 is a deficient number, since it is larger than the sum of its proper divisors (258002908).

304312132 is a wasteful number, since it uses less digits than its factorization.

304312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451 (or 12449 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 304312132 is about 17444.5444767125. The cubic root of 304312132 is about 672.6251298602.

Adding to 304312132 its reverse (231213403), we get a palindrome (535525535).

The spelling of 304312132 in words is "three hundred four million, three hundred twelve thousand, one hundred thirty-two".