108281231 has 2 divisors, whose sum is σ = 108281232. Its totient is φ = 108281230.

The previous prime is 108281213. The next prime is 108281237. The reversal of 108281231 is 132182801.

Together with previous prime (108281213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is an emirp because it is prime and its reverse (132182801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108281231 - 2⁶ = 108281167 is a prime.

It is a super-2 number, since 2×108281231² = 23449649973750722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 108281231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108281237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54140615 + 54140616.

It is an arithmetic number, because the mean of its divisors is an integer number (54140616).

Almost surely, 2^108281231 is an apocalyptic number.

108281231 is a deficient number, since it is larger than the sum of its proper divisors (1).

108281231 is an equidigital number, since it uses as much as digits as its factorization.

108281231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 108281231 is about 10405.8267811837. The cubic root of 108281231 is about 476.6333150795.

The spelling of 108281231 in words is "one hundred eight million, two hundred eighty-one thousand, two hundred thirty-one".