82002311 has 2 divisors, whose sum is σ = 82002312. Its totient is φ = 82002310.

The previous prime is 82002293. The next prime is 82002331. The reversal of 82002311 is 11320028.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82002311 - 2¹⁴ = 81985927 is a prime.

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 82002311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82002331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41001155 + 41001156.

It is an arithmetic number, because the mean of its divisors is an integer number (41001156).

Almost surely, 2^82002311 is an apocalyptic number.

82002311 is a deficient number, since it is larger than the sum of its proper divisors (1).

82002311 is an equidigital number, since it uses as much as digits as its factorization.

82002311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 82002311 is about 9055.5127408667. The cubic root of 82002311 is about 434.4522298786.

Adding to 82002311 its reverse (11320028), we get a palindrome (93322339).

The spelling of 82002311 in words is "eighty-two million, two thousand, three hundred eleven".