312143406246 has 64 divisors (see below), whose sum is σ = 839377244160. Its totient is φ = 83937720960.

The previous prime is 312143406233. The next prime is 312143406283. The reversal of 312143406246 is 642604341213.

312143406246 is a `hidden beast` number, since 3 + 1 + 2 + 1 + 4 + 3 + 406 + 246 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 312143406246.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24281110 + ... + 24293961.

It is an arithmetic number, because the mean of its divisors is an integer number (13115269440).

Almost surely, 2^312143406246 is an apocalyptic number.

312143406246 is an abundant number, since it is smaller than the sum of its proper divisors (527233837914).

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

312143406246 is a wasteful number, since it uses less digits than its factorization.

312143406246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48575106 (or 48575100 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 312143406246 its reverse (642604341213), we get a palindrome (954747747459).

The spelling of 312143406246 in words is "three hundred twelve billion, one hundred forty-three million, four hundred six thousand, two hundred forty-six".