108638311 has 2 divisors, whose sum is σ = 108638312. Its totient is φ = 108638310.

The previous prime is 108638297. The next prime is 108638357. The reversal of 108638311 is 113836801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108638311 - 2¹⁷ = 108507239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108638111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54319155 + 54319156.

It is an arithmetic number, because the mean of its divisors is an integer number (54319156).

Almost surely, 2^108638311 is an apocalyptic number.

108638311 is a deficient number, since it is larger than the sum of its proper divisors (1).

108638311 is an equidigital number, since it uses as much as digits as its factorization.

108638311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 108638311 is about 10422.9703539826. The cubic root of 108638311 is about 477.1566728787.

The spelling of 108638311 in words is "one hundred eight million, six hundred thirty-eight thousand, three hundred eleven".