81110342 has 8 divisors (see below), whose sum is σ = 121992816. Its totient is φ = 40446072.

The previous prime is 81110317. The next prime is 81110357. The reversal of 81110342 is 24301118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53618 + ... + 55109.

It is an arithmetic number, because the mean of its divisors is an integer number (15249102).

Almost surely, 2^81110342 is an apocalyptic number.

81110342 is a deficient number, since it is larger than the sum of its proper divisors (40882474).

81110342 is a wasteful number, since it uses less digits than its factorization.

81110342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109102.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 81110342 is about 9006.1280248506. The cubic root of 81110342 is about 432.8712519487.

The spelling of 81110342 in words is "eighty-one million, one hundred ten thousand, three hundred forty-two".