108381231 has 24 divisors (see below), whose sum is σ = 179871744. Its totient is φ = 61601040.

The previous prime is 108381227. The next prime is 108381233. The reversal of 108381231 is 132183801.

It is not a de Polignac number, because 108381231 - 2² = 108381227 is a prime.

It is a super-2 number, since 2×108381231² = 23492982466150722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 108381195 and 108381204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108381233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7530 + ... + 16536.

It is an arithmetic number, because the mean of its divisors is an integer number (7494656).

Almost surely, 2^108381231 is an apocalyptic number.

108381231 is a deficient number, since it is larger than the sum of its proper divisors (71490513).

108381231 is a wasteful number, since it uses less digits than its factorization.

108381231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9211 (or 9208 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 108381231 is about 10410.6306725385. The cubic root of 108381231 is about 476.7799969063.

The spelling of 108381231 in words is "one hundred eight million, three hundred eighty-one thousand, two hundred thirty-one".