81314173010 has 32 divisors (see below), whose sum is σ = 167624156160. Its totient is φ = 27820930752.

The previous prime is 81314173001. The next prime is 81314173019. The reversal of 81314173010 is 1037141318.

It is an interprime number because it is at equal distance from previous prime (81314173001) and next prime (81314173019).

It is a super-3 number, since 3×81314173010³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (81314173019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179029 + ... + 1246088.

It is an arithmetic number, because the mean of its divisors is an integer number (5238254880).

Almost surely, 2^81314173010 is an apocalyptic number.

81314173010 is an abundant number, since it is smaller than the sum of its proper divisors (86309983150).

81314173010 is a wasteful number, since it uses less digits than its factorization.

81314173010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425610.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 81314173010 in words is "eighty-one billion, three hundred fourteen million, one hundred seventy-three thousand, ten".