108171830 has 24 divisors (see below), whose sum is σ = 210842352. Its totient is φ = 39939744.

The previous prime is 108171821. The next prime is 108171841. The reversal of 108171830 is 38171801.

It is a super-2 number, since 2×108171830² = 23402289611097800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 108171793 and 108171802.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 30314 + ... + 33693.

It is an arithmetic number, because the mean of its divisors is an integer number (8785098).

Almost surely, 2^108171830 is an apocalyptic number.

108171830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108171830 is a deficient number, since it is larger than the sum of its proper divisors (102670522).

108171830 is a wasteful number, since it uses less digits than its factorization.

108171830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64040 (or 64027 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 108171830 is about 10400.5687344491. The cubic root of 108171830 is about 476.4727402140.

Subtracting from 108171830 its sum of digits (29), we obtain a palindrome (108171801).

The spelling of 108171830 in words is "one hundred eight million, one hundred seventy-one thousand, eight hundred thirty".