312143322043399 has 16 divisors (see below), whose sum is σ = 409648105486080. Its totient is φ = 230427059333760.

The previous prime is 312143322043381. The next prime is 312143322043409. The reversal of 312143322043399 is 993340223341213.

It is a cyclic number.

It is not a de Polignac number, because 312143322043399 - 2¹⁵ = 312143322010631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312143322043369) 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 15 ways as a sum of consecutive naturals, for example, 106679192674 + ... + 106679195599.

It is an arithmetic number, because the mean of its divisors is an integer number (25603006592880).

Almost surely, 2^{312143322043399} is an apocalyptic number.

312143322043399 is a deficient number, since it is larger than the sum of its proper divisors (97504783442681).

312143322043399 is a wasteful number, since it uses less digits than its factorization.

312143322043399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213358388310.

The product of its (nonzero) digits is 2519424, while the sum is 49.

The spelling of 312143322043399 in words is "three hundred twelve trillion, one hundred forty-three billion, three hundred twenty-two million, forty-three thousand, three hundred ninety-nine".