109908311 has 4 divisors (see below), whose sum is σ = 109929432. Its totient is φ = 109887192.

The previous prime is 109908287. The next prime is 109908317. The reversal of 109908311 is 113809901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109908311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109908317) 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 in 3 ways as a sum of consecutive naturals, for example, 3380 + ... + 15206.

It is an arithmetic number, because the mean of its divisors is an integer number (27482358).

Almost surely, 2^109908311 is an apocalyptic number.

109908311 is a deficient number, since it is larger than the sum of its proper divisors (21121).

109908311 is an equidigital number, since it uses as much as digits as its factorization.

109908311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 109908311 is about 10483.7164688864. The cubic root of 109908311 is about 479.0088212775.

The spelling of 109908311 in words is "one hundred nine million, nine hundred eight thousand, three hundred eleven".