100043431112189 has 2 divisors, whose sum is σ = 100043431112190. Its totient is φ = 100043431112188.

The previous prime is 100043431112171. The next prime is 100043431112281. The reversal of 100043431112189 is 981211134340001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83675475604900 + 16367955507289 = 9147430^2 + 4045733^2 .

It is a cyclic number.

It is not a de Polignac number, because 100043431112189 - 2²⁰ = 100043430063613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100043431112489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50021715556094 + 50021715556095.

It is an arithmetic number, because the mean of its divisors is an integer number (50021715556095).

Almost surely, 2^{100043431112189} is an apocalyptic number.

It is an amenable number.

100043431112189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100043431112189 is an equidigital number, since it uses as much as digits as its factorization.

100043431112189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The spelling of 100043431112189 in words is "one hundred trillion, forty-three billion, four hundred thirty-one million, one hundred twelve thousand, one hundred eighty-nine".