312230085 has 8 divisors (see below), whose sum is σ = 499568160. Its totient is φ = 166522704.

The previous prime is 312230077. The next prime is 312230089. The reversal of 312230085 is 580032213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312230085 - 2³ = 312230077 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312230089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10407655 + ... + 10407684.

It is an arithmetic number, because the mean of its divisors is an integer number (62446020).

Almost surely, 2^312230085 is an apocalyptic number.

It is an amenable number.

312230085 is a deficient number, since it is larger than the sum of its proper divisors (187338075).

312230085 is a wasteful number, since it uses less digits than its factorization.

312230085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20815347.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 312230085 is about 17670.0335313774. The cubic root of 312230085 is about 678.4089713294.

Adding to 312230085 its reverse (580032213), we get a palindrome (892262298).

The spelling of 312230085 in words is "three hundred twelve million, two hundred thirty thousand, eighty-five".