312040345530544 has 20 divisors (see below), whose sum is σ = 611371182608280. Its totient is φ = 154267137115520.

The previous prime is 312040345530503. The next prime is 312040345530587. The reversal of 312040345530544 is 445035543040213.

It is a self number, because there is not a number n which added to its sum of digits gives 312040345530544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109564726642 + ... + 109564729489.

It is an arithmetic number, because the mean of its divisors is an integer number (30568559130414).

Almost surely, 2^{312040345530544} is an apocalyptic number.

It is an amenable number.

312040345530544 is a deficient number, since it is larger than the sum of its proper divisors (299330837077736).

312040345530544 is a wasteful number, since it uses less digits than its factorization.

312040345530544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219129456228 (or 219129456222 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 312040345530544 its reverse (445035543040213), we get a palindrome (757075888570757).

The spelling of 312040345530544 in words is "three hundred twelve trillion, forty billion, three hundred forty-five million, five hundred thirty thousand, five hundred forty-four".