81014351 has 8 divisors (see below), whose sum is σ = 88575744. Its totient is φ = 73485720.

The previous prime is 81014327. The next prime is 81014363. The reversal of 81014351 is 15341018.

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

It is not a de Polignac number, because 81014351 - 2²² = 76820047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81014321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861 + ... + 13046.

It is an arithmetic number, because the mean of its divisors is an integer number (11071968).

Almost surely, 2^81014351 is an apocalyptic number.

81014351 is a deficient number, since it is larger than the sum of its proper divisors (7561393).

81014351 is a wasteful number, since it uses less digits than its factorization.

81014351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16381.

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

The square root of 81014351 is about 9000.7972424669. The cubic root of 81014351 is about 432.7004223285.

Adding to 81014351 its reverse (15341018), we get a palindrome (96355369).

The spelling of 81014351 in words is "eighty-one million, fourteen thousand, three hundred fifty-one".