312330030020 has 24 divisors (see below), whose sum is σ = 663262651800. Its totient is φ = 123528280832.

The previous prime is 312330029993. The next prime is 312330030041. The reversal of 312330030020 is 20030033213.

It can be written as a sum of positive squares in 4 ways, for example, as 54217259716 + 258112770304 = 232846^2 + 508048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87731375 + ... + 87734934.

It is an arithmetic number, because the mean of its divisors is an integer number (27635943825).

Almost surely, 2^312330030020 is an apocalyptic number.

It is an amenable number.

312330030020 is an abundant number, since it is smaller than the sum of its proper divisors (350932621780).

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

312330030020 is a wasteful number, since it uses less digits than its factorization.

312330030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175466407 (or 175466405 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 312330030020 its reverse (20030033213), we get a palindrome (332360063233).

The spelling of 312330030020 in words is "three hundred twelve billion, three hundred thirty million, thirty thousand, twenty".