81105314 has 8 divisors (see below), whose sum is σ = 126947520. Its totient is φ = 38789476.

The previous prime is 81105307. The next prime is 81105347. The reversal of 81105314 is 41350118.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 81105314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881534 + ... + 881625.

It is an arithmetic number, because the mean of its divisors is an integer number (15868440).

Almost surely, 2^81105314 is an apocalyptic number.

81105314 is a deficient number, since it is larger than the sum of its proper divisors (45842206).

81105314 is a wasteful number, since it uses less digits than its factorization.

81105314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763184.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 81105314 is about 9005.8488772575. The cubic root of 81105314 is about 432.8623072545.

The spelling of 81105314 in words is "eighty-one million, one hundred five thousand, three hundred fourteen".