108731233 has 4 divisors (see below), whose sum is σ = 117095188. Its totient is φ = 100367280.

The previous prime is 108731191. The next prime is 108731239. The reversal of 108731233 is 332137801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332137801 = 883 ⋅376147.

It can be written as a sum of positive squares in 2 ways, for example, as 20502784 + 88228449 = 4528^2 + 9393^2 .

It is a de Polignac number, because none of the positive numbers 2^k-108731233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108731239) 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, 4181958 + ... + 4181983.

It is an arithmetic number, because the mean of its divisors is an integer number (29273797).

Almost surely, 2^108731233 is an apocalyptic number.

108731233 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108731233 is a deficient number, since it is larger than the sum of its proper divisors (8363955).

108731233 is an equidigital number, since it uses as much as digits as its factorization.

108731233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8363954.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 108731233 is about 10427.4269597058. The cubic root of 108731233 is about 477.2926768249.

The spelling of 108731233 in words is "one hundred eight million, seven hundred thirty-one thousand, two hundred thirty-three".