82311283 has 4 divisors (see below), whose sum is σ = 82336000. Its totient is φ = 82286568.

The previous prime is 82311253. The next prime is 82311289. The reversal of 82311283 is 38211328.

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 82311283 - 2¹⁷ = 82180211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82311289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6408 + ... + 14341.

It is an arithmetic number, because the mean of its divisors is an integer number (20584000).

Almost surely, 2^82311283 is an apocalyptic number.

82311283 is a deficient number, since it is larger than the sum of its proper divisors (24717).

82311283 is a wasteful number, since it uses less digits than its factorization.

82311283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24716.

The product of its digits is 2304, while the sum is 28.

The square root of 82311283 is about 9072.5565856599. The cubic root of 82311283 is about 434.9971955604.

The spelling of 82311283 in words is "eighty-two million, three hundred eleven thousand, two hundred eighty-three".