312304312 has 16 divisors (see below), whose sum is σ = 586485360. Its totient is φ = 155908224.

The previous prime is 312304259. The next prime is 312304319. The reversal of 312304312 is 213403213.

It is a self number, because there is not a number n which added to its sum of digits gives 312304312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312304319) 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, 24993 + ... + 35344.

It is an arithmetic number, because the mean of its divisors is an integer number (36655335).

Almost surely, 2^312304312 is an apocalyptic number.

It is an amenable number.

312304312 is a deficient number, since it is larger than the sum of its proper divisors (274181048).

312304312 is a wasteful number, since it uses less digits than its factorization.

312304312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60990 (or 60986 counting only the distinct ones).

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

The square root of 312304312 is about 17672.1337704308. The cubic root of 312304312 is about 678.4627268505.

Adding to 312304312 its reverse (213403213), we get a palindrome (525707525).

The spelling of 312304312 in words is "three hundred twelve million, three hundred four thousand, three hundred twelve".