312305344 has 28 divisors (see below), whose sum is σ = 667404304. Its totient is φ = 144140544.

The previous prime is 312305327. The next prime is 312305359. The reversal of 312305344 is 443503213.

It is an unprimeable number.

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, 186852 + ... + 188515.

It is an arithmetic number, because the mean of its divisors is an integer number (23835868).

Almost surely, 2^312305344 is an apocalyptic number.

It is an amenable number.

312305344 is an abundant number, since it is smaller than the sum of its proper divisors (355098960).

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

312305344 is a wasteful number, since it uses less digits than its factorization.

312305344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375392 (or 375382 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 312305344 is about 17672.1629689181. The cubic root of 312305344 is about 678.4634741695.

Adding to 312305344 its reverse (443503213), we get a palindrome (755808557).

The spelling of 312305344 in words is "three hundred twelve million, three hundred five thousand, three hundred forty-four".