82311273 has 48 divisors (see below), whose sum is σ = 139142016. Its totient is φ = 46379520.

The previous prime is 82311253. The next prime is 82311289. The reversal of 82311273 is 37211328.

82311273 is a `hidden beast` number, since 82 + 311 + 273 = 666.

It is not a de Polignac number, because 82311273 - 2¹⁷ = 82180201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82311253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83761 + ... + 84737.

It is an arithmetic number, because the mean of its divisors is an integer number (2898792).

Almost surely, 2^82311273 is an apocalyptic number.

It is an amenable number.

82311273 is a deficient number, since it is larger than the sum of its proper divisors (56830743).

82311273 is a wasteful number, since it uses less digits than its factorization.

82311273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1051 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 82311273 is about 9072.5560345473. The cubic root of 82311273 is about 434.9971779444.

The spelling of 82311273 in words is "eighty-two million, three hundred eleven thousand, two hundred seventy-three".