82318325305 has 4 divisors (see below), whose sum is σ = 98781990372. Its totient is φ = 65854660240.

The previous prime is 82318325281. The next prime is 82318325321. The reversal of 82318325305 is 50352381328.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44145371664 + 38172953641 = 210108^2 + 195379^2 .

It is not a de Polignac number, because 82318325305 - 2²¹ = 82316228153 is a prime.

It is a Duffinian number.

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, 8231832526 + ... + 8231832535.

It is an arithmetic number, because the mean of its divisors is an integer number (24695497593).

Almost surely, 2^82318325305 is an apocalyptic number.

It is an amenable number.

82318325305 is a deficient number, since it is larger than the sum of its proper divisors (16463665067).

82318325305 is a wasteful number, since it uses less digits than its factorization.

82318325305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16463665066.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 82318325305 in words is "eighty-two billion, three hundred eighteen million, three hundred twenty-five thousand, three hundred five".