43231112110139 has 2 divisors, whose sum is σ = 43231112110140. Its totient is φ = 43231112110138.

The previous prime is 43231112110063. The next prime is 43231112110141. The reversal of 43231112110139 is 93101121113234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43231112110139 is a prime.

It is a Sophie Germain prime.

Together with 43231112110141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43231112113139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21615556055069 + 21615556055070.

It is an arithmetic number, because the mean of its divisors is an integer number (21615556055070).

Almost surely, 2^{43231112110139} is an apocalyptic number.

43231112110139 is a deficient number, since it is larger than the sum of its proper divisors (1).

43231112110139 is an equidigital number, since it uses as much as digits as its factorization.

43231112110139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 43231112110139 in words is "forty-three trillion, two hundred thirty-one billion, one hundred twelve million, one hundred ten thousand, one hundred thirty-nine".