312141203223443 has 8 divisors (see below), whose sum is σ = 343331871916656. Its totient is φ = 283764730201920.

The previous prime is 312141203223407. The next prime is 312141203223481. The reversal of 312141203223443 is 344322302141213.

It is a happy number.

It is not a de Polignac number, because 312141203223443 - 2¹⁸ = 312141202961299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312141203223403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117258151646 + ... + 117258154307.

It is an arithmetic number, because the mean of its divisors is an integer number (42916483989582).

Almost surely, 2^{312141203223443} is an apocalyptic number.

312141203223443 is a deficient number, since it is larger than the sum of its proper divisors (31190668693213).

312141203223443 is an equidigital number, since it uses as much as digits as its factorization.

312141203223443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234516305986 (or 234516305964 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 312141203223443 its reverse (344322302141213), we get a palindrome (656463505364656).

The spelling of 312141203223443 in words is "three hundred twelve trillion, one hundred forty-one billion, two hundred three million, two hundred twenty-three thousand, four hundred forty-three".