312000320 has 112 divisors (see below), whose sum is σ = 797283648. Its totient is φ = 115875840.

The previous prime is 312000301. The next prime is 312000323. The reversal of 312000320 is 23000213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000323) 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 15 ways as a sum of consecutive naturals, for example, 451175 + ... + 451865.

It is an arithmetic number, because the mean of its divisors is an integer number (7118604).

Almost surely, 2^312000320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312000320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398641824).

312000320 is an abundant number, since it is smaller than the sum of its proper divisors (485283328).

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

312000320 is a wasteful number, since it uses less digits than its factorization.

312000320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 798 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 312000320 is about 17663.5307908696. The cubic root of 312000320 is about 678.2425204805.

Adding to 312000320 its reverse (23000213), we get a palindrome (335000533).

The spelling of 312000320 in words is "three hundred twelve million, three hundred twenty", and thus it is an aban number.