109372231 has 4 divisors (see below), whose sum is σ = 111435912. Its totient is φ = 107308552.

The previous prime is 109372217. The next prime is 109372267. The reversal of 109372231 is 132273901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 109372231 - 2¹³ = 109364039 is a prime.

It is a super-2 number, since 2×109372231² = 23924569827834722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109372231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109372201) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1031761 + ... + 1031866.

It is an arithmetic number, because the mean of its divisors is an integer number (27858978).

Almost surely, 2^109372231 is an apocalyptic number.

109372231 is a deficient number, since it is larger than the sum of its proper divisors (2063681).

109372231 is an equidigital number, since it uses as much as digits as its factorization.

109372231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2063680.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 109372231 is about 10458.1179473173. The cubic root of 109372231 is about 478.2287599208.

The spelling of 109372231 in words is "one hundred nine million, three hundred seventy-two thousand, two hundred thirty-one".