42031432099 has 2 divisors, whose sum is σ = 42031432100. Its totient is φ = 42031432098.

The previous prime is 42031432097. The next prime is 42031432109. The reversal of 42031432099 is 99023413024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42031432099 - 2¹ = 42031432097 is a prime.

Together with 42031432097, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42031432097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015716049 + 21015716050.

It is an arithmetic number, because the mean of its divisors is an integer number (21015716050).

Almost surely, 2^42031432099 is an apocalyptic number.

42031432099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42031432099 is an equidigital number, since it uses as much as digits as its factorization.

42031432099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 42031432099 in words is "forty-two billion, thirty-one million, four hundred thirty-two thousand, ninety-nine".