68930311 has 2 divisors, whose sum is σ = 68930312. Its totient is φ = 68930310.

The previous prime is 68930299. The next prime is 68930353. The reversal of 68930311 is 11303986.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68930311 - 2¹⁷ = 68799239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68930111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34465155 + 34465156.

It is an arithmetic number, because the mean of its divisors is an integer number (34465156).

Almost surely, 2^68930311 is an apocalyptic number.

68930311 is a deficient number, since it is larger than the sum of its proper divisors (1).

68930311 is an equidigital number, since it uses as much as digits as its factorization.

68930311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 68930311 is about 8302.4280183570. The cubic root of 68930311 is about 410.0184623850.

The spelling of 68930311 in words is "sixty-eight million, nine hundred thirty thousand, three hundred eleven".