304312312 has 16 divisors (see below), whose sum is σ = 590261400. Its totient is φ = 146909280.

The previous prime is 304312297. The next prime is 304312313. The reversal of 304312312 is 213213403.

It is a self number, because there is not a number n which added to its sum of digits gives 304312312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304312313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655614 + ... + 656077.

Almost surely, 2^304312312 is an apocalyptic number.

It is an amenable number.

304312312 is a deficient number, since it is larger than the sum of its proper divisors (285949088).

304312312 is a wasteful number, since it uses less digits than its factorization.

304312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311726 (or 1311722 counting only the distinct ones).

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

The square root of 304312312 is about 17444.5496359178. The cubic root of 304312312 is about 672.6252624790.

Adding to 304312312 its reverse (213213403), we get a palindrome (517525715).

The spelling of 304312312 in words is "three hundred four million, three hundred twelve thousand, three hundred twelve".