68271311 has 2 divisors, whose sum is σ = 68271312. Its totient is φ = 68271310.

The previous prime is 68271299. The next prime is 68271317. The reversal of 68271311 is 11317286.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68271311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68271317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34135655 + 34135656.

It is an arithmetic number, because the mean of its divisors is an integer number (34135656).

Almost surely, 2^68271311 is an apocalyptic number.

68271311 is a deficient number, since it is larger than the sum of its proper divisors (1).

68271311 is an equidigital number, since it uses as much as digits as its factorization.

68271311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 29.

The square root of 68271311 is about 8262.6455206550. The cubic root of 68271311 is about 408.7076319530.

Adding to 68271311 its reverse (11317286), we get a palindrome (79588597).

The spelling of 68271311 in words is "sixty-eight million, two hundred seventy-one thousand, three hundred eleven".