109031109 has 16 divisors (see below), whose sum is σ = 165487104. Its totient is φ = 63206000.

The previous prime is 109031107. The next prime is 109031113. The reversal of 109031109 is 901130901.

It is not a de Polignac number, because 109031109 - 2¹ = 109031107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109031107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71067 + ... + 72584.

It is an arithmetic number, because the mean of its divisors is an integer number (10342944).

Almost surely, 2^109031109 is an apocalyptic number.

It is an amenable number.

109031109 is a deficient number, since it is larger than the sum of its proper divisors (56455995).

109031109 is a wasteful number, since it uses less digits than its factorization.

109031109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143688.

The product of its (nonzero) digits is 243, while the sum is 24.

The square root of 109031109 is about 10441.7962535188. The cubic root of 109031109 is about 477.7310581903.

The spelling of 109031109 in words is "one hundred nine million, thirty-one thousand, one hundred nine".