82080431 has 2 divisors, whose sum is σ = 82080432. Its totient is φ = 82080430.

The previous prime is 82080419. The next prime is 82080451. The reversal of 82080431 is 13408028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82080431 - 2⁶ = 82080367 is a prime.

It is a super-2 number, since 2×82080431² = 13474394306291522, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82080431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82080451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41040215 + 41040216.

It is an arithmetic number, because the mean of its divisors is an integer number (41040216).

Almost surely, 2^82080431 is an apocalyptic number.

82080431 is a deficient number, since it is larger than the sum of its proper divisors (1).

82080431 is an equidigital number, since it uses as much as digits as its factorization.

82080431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 82080431 is about 9059.8251086873. The cubic root of 82080431 is about 434.5901472778.

Adding to 82080431 its reverse (13408028), we get a palindrome (95488459).

The spelling of 82080431 in words is "eighty-two million, eighty thousand, four hundred thirty-one".