111430311943 has 2 divisors, whose sum is σ = 111430311944. Its totient is φ = 111430311942.

The previous prime is 111430311913. The next prime is 111430312003. The reversal of 111430311943 is 349113034111.

It is a weak prime.

It is an emirp because it is prime and its reverse (349113034111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111430311943 - 2²⁹ = 110893441031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111430311913) by changing a digit.

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 as a sum of consecutive naturals, namely, 55715155971 + 55715155972.

It is an arithmetic number, because the mean of its divisors is an integer number (55715155972).

Almost surely, 2^111430311943 is an apocalyptic number.

111430311943 is a deficient number, since it is larger than the sum of its proper divisors (1).

111430311943 is an equidigital number, since it uses as much as digits as its factorization.

111430311943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 111430311943 in words is "one hundred eleven billion, four hundred thirty million, three hundred eleven thousand, nine hundred forty-three".