999999131214043 has 2 divisors, whose sum is σ = 999999131214044. Its totient is φ = 999999131214042.

The previous prime is 999999131213959. The next prime is 999999131214101. The reversal of 999999131214043 is 340412131999999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999999131214043 - 2⁹ = 999999131213531 is a prime.

It is not a weakly prime, because it can be changed into another prime (999999131274043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999565607021 + 499999565607022.

It is an arithmetic number, because the mean of its divisors is an integer number (499999565607022).

Almost surely, 2^{999999131214043} is an apocalyptic number.

999999131214043 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999131214043 is an equidigital number, since it uses as much as digits as its factorization.

999999131214043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 153055008, while the sum is 73.

The spelling of 999999131214043 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, one hundred thirty-one million, two hundred fourteen thousand, forty-three".