108031087 has 2 divisors, whose sum is σ = 108031088. Its totient is φ = 108031086.

The previous prime is 108031043. The next prime is 108031097. The reversal of 108031087 is 780130801.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (780130801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108031087 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108031097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54015543 + 54015544.

It is an arithmetic number, because the mean of its divisors is an integer number (54015544).

Almost surely, 2^108031087 is an apocalyptic number.

108031087 is a deficient number, since it is larger than the sum of its proper divisors (1).

108031087 is an equidigital number, since it uses as much as digits as its factorization.

108031087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 108031087 is about 10393.8004117839. The cubic root of 108031087 is about 476.2660033705.

Adding to 108031087 its reverse (780130801), we get a palindrome (888161888).

The spelling of 108031087 in words is "one hundred eight million, thirty-one thousand, eighty-seven".