108331 has 4 divisors (see below), whose sum is σ = 109312. Its totient is φ = 107352.

The previous prime is 108301. The next prime is 108343. The reversal of 108331 is 133801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 108331 - 2⁷ = 108203 is a prime.

It is a super-2 number, since 2×108331² = 23471211122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (108301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300 + ... + 553.

It is an arithmetic number, because the mean of its divisors is an integer number (27328).

2¹⁰⁸³³¹ is an apocalyptic number.

108331 is a deficient number, since it is larger than the sum of its proper divisors (981).

108331 is an equidigital number, since it uses as much as digits as its factorization.

108331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 108331 is about 329.1367496953. The cubic root of 108331 is about 47.6706328441.

The spelling of 108331 in words is "one hundred eight thousand, three hundred thirty-one".