82031071 has 2 divisors, whose sum is σ = 82031072. Its totient is φ = 82031070.

The previous prime is 82031039. The next prime is 82031077. The reversal of 82031071 is 17013028.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82031071 - 2⁵ = 82031039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82031077) 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 as a sum of consecutive naturals, namely, 41015535 + 41015536.

It is an arithmetic number, because the mean of its divisors is an integer number (41015536).

Almost surely, 2^82031071 is an apocalyptic number.

82031071 is a deficient number, since it is larger than the sum of its proper divisors (1).

82031071 is an equidigital number, since it uses as much as digits as its factorization.

82031071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 82031071 is about 9057.1005846242. The cubic root of 82031071 is about 434.5030145680.

Adding to 82031071 its reverse (17013028), we get a palindrome (99044099).

The spelling of 82031071 in words is "eighty-two million, thirty-one thousand, seventy-one".