312444310244 has 48 divisors (see below), whose sum is σ = 622705176576. Its totient is φ = 135782829600.

The previous prime is 312444310237. The next prime is 312444310247. The reversal of 312444310244 is 442013444213.

It is a self number, because there is not a number n which added to its sum of digits gives 312444310244.

It is not an unprimeable number, because it can be changed into a prime (312444310247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2163539 + ... + 2303429.

It is an arithmetic number, because the mean of its divisors is an integer number (12973024512).

Almost surely, 2^312444310244 is an apocalyptic number.

It is an amenable number.

312444310244 is a deficient number, since it is larger than the sum of its proper divisors (310260866332).

312444310244 is a wasteful number, since it uses less digits than its factorization.

312444310244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142136 (or 142134 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 312444310244 its reverse (442013444213), we get a palindrome (754457754457).

The spelling of 312444310244 in words is "three hundred twelve billion, four hundred forty-four million, three hundred ten thousand, two hundred forty-four".