108231791 has 2 divisors, whose sum is σ = 108231792. Its totient is φ = 108231790.

The previous prime is 108231787. The next prime is 108231793. The reversal of 108231791 is 197132801.

It is a strong prime.

It is an emirp because it is prime and its reverse (197132801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108231791 - 2² = 108231787 is a prime.

Together with 108231793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108231793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54115895 + 54115896.

It is an arithmetic number, because the mean of its divisors is an integer number (54115896).

Almost surely, 2^108231791 is an apocalyptic number.

108231791 is a deficient number, since it is larger than the sum of its proper divisors (1).

108231791 is an equidigital number, since it uses as much as digits as its factorization.

108231791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 108231791 is about 10403.4509178445. The cubic root of 108231791 is about 476.5607622210.

The spelling of 108231791 in words is "one hundred eight million, two hundred thirty-one thousand, seven hundred ninety-one".