109709031 has 16 divisors (see below), whose sum is σ = 151285760. Its totient is φ = 70644960.

The previous prime is 109709029. The next prime is 109709053. The reversal of 109709031 is 130907901.

It is not a de Polignac number, because 109709031 - 2¹ = 109709029 is a prime.

It is a super-2 number, since 2×109709031² = 24072142965917922, 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 109709031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109709081) 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 15 ways as a sum of consecutive naturals, for example, 76386 + ... + 77808.

It is an arithmetic number, because the mean of its divisors is an integer number (9455360).

Almost surely, 2^109709031 is an apocalyptic number.

109709031 is a deficient number, since it is larger than the sum of its proper divisors (41576729).

109709031 is a wasteful number, since it uses less digits than its factorization.

109709031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 109709031 is about 10474.2078936786. The cubic root of 109709031 is about 478.7191415505.

The spelling of 109709031 in words is "one hundred nine million, seven hundred nine thousand, thirty-one".