82213203361 has 2 divisors, whose sum is σ = 82213203362. Its totient is φ = 82213203360.

The previous prime is 82213203337. The next prime is 82213203367. The reversal of 82213203361 is 16330231228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73200549136 + 9012654225 = 270556^2 + 94935^2 .

It is a cyclic number.

It is not a de Polignac number, because 82213203361 - 2²¹ = 82211106209 is a prime.

It is not a weakly prime, because it can be changed into another prime (82213203367) 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, 41106601680 + 41106601681.

It is an arithmetic number, because the mean of its divisors is an integer number (41106601681).

Almost surely, 2^82213203361 is an apocalyptic number.

It is an amenable number.

82213203361 is a deficient number, since it is larger than the sum of its proper divisors (1).

82213203361 is an equidigital number, since it uses as much as digits as its factorization.

82213203361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 82213203361 its reverse (16330231228), we get a palindrome (98543434589).

The spelling of 82213203361 in words is "eighty-two billion, two hundred thirteen million, two hundred three thousand, three hundred sixty-one".