82313064571 has 4 divisors (see below), whose sum is σ = 83440640872. Its totient is φ = 81185488272.

The previous prime is 82313064563. The next prime is 82313064629. The reversal of 82313064571 is 17546031328.

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

It is a cyclic number.

It is not a de Polignac number, because 82313064571 - 2³ = 82313064563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82313064671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563788041 + ... + 563788186.

It is an arithmetic number, because the mean of its divisors is an integer number (20860160218).

Almost surely, 2^82313064571 is an apocalyptic number.

82313064571 is a deficient number, since it is larger than the sum of its proper divisors (1127576301).

82313064571 is a wasteful number, since it uses less digits than its factorization.

82313064571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127576300.

The product of its (nonzero) digits is 120960, while the sum is 40.

Adding to 82313064571 its reverse (17546031328), we get a palindrome (99859095899).

The spelling of 82313064571 in words is "eighty-two billion, three hundred thirteen million, sixty-four thousand, five hundred seventy-one".