102761316305 has 4 divisors (see below), whose sum is σ = 123313579572. Its totient is φ = 82209053040.

The previous prime is 102761316277. The next prime is 102761316313. The reversal of 102761316305 is 503613167201.

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 27274852801 + 75486463504 = 165151^2 + 274748^2 .

It is not a de Polignac number, because 102761316305 - 2³⁰ = 101687574481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10276131626 + ... + 10276131635.

It is an arithmetic number, because the mean of its divisors is an integer number (30828394893).

Almost surely, 2^102761316305 is an apocalyptic number.

It is an amenable number.

102761316305 is a deficient number, since it is larger than the sum of its proper divisors (20552263267).

102761316305 is an equidigital number, since it uses as much as digits as its factorization.

102761316305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552263266.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 102761316305 in words is "one hundred two billion, seven hundred sixty-one million, three hundred sixteen thousand, three hundred five".