68310211 has 2 divisors, whose sum is σ = 68310212. Its totient is φ = 68310210.

The previous prime is 68310127. The next prime is 68310247. The reversal of 68310211 is 11201386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68310211 - 2⁷ = 68310083 is a prime.

It is not a weakly prime, because it can be changed into another prime (68310271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34155105 + 34155106.

It is an arithmetic number, because the mean of its divisors is an integer number (34155106).

Almost surely, 2^68310211 is an apocalyptic number.

68310211 is a deficient number, since it is larger than the sum of its proper divisors (1).

68310211 is an equidigital number, since it uses as much as digits as its factorization.

68310211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 68310211 is about 8264.9991530550. Note that the first 3 decimals coincide. The cubic root of 68310211 is about 408.7852424357.

Adding to 68310211 its reverse (11201386), we get a palindrome (79511597).

The spelling of 68310211 in words is "sixty-eight million, three hundred ten thousand, two hundred eleven".