82340311 has 2 divisors, whose sum is σ = 82340312. Its totient is φ = 82340310.

The previous prime is 82340273. The next prime is 82340317. The reversal of 82340311 is 11304328.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82340311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82340317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41170155 + 41170156.

It is an arithmetic number, because the mean of its divisors is an integer number (41170156).

Almost surely, 2^82340311 is an apocalyptic number.

82340311 is a deficient number, since it is larger than the sum of its proper divisors (1).

82340311 is an equidigital number, since it uses as much as digits as its factorization.

82340311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 82340311 is about 9074.1562142163. The cubic root of 82340311 is about 435.0483251020.

Adding to 82340311 its reverse (11304328), we get a palindrome (93644639).

The spelling of 82340311 in words is "eighty-two million, three hundred forty thousand, three hundred eleven".