109075631 has 4 divisors (see below), whose sum is σ = 124657872. Its totient is φ = 93493392.

The previous prime is 109075607. The next prime is 109075691. The reversal of 109075631 is 136570901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136570901 = 2671 ⋅51131.

It is a cyclic number.

It is not a de Polignac number, because 109075631 - 2¹⁰ = 109074607 is a prime.

It is a super-2 number, since 2×109075631² = 23794986556096322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109075691) 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, 7791110 + ... + 7791123.

It is an arithmetic number, because the mean of its divisors is an integer number (31164468).

Almost surely, 2^109075631 is an apocalyptic number.

109075631 is a deficient number, since it is larger than the sum of its proper divisors (15582241).

109075631 is an equidigital number, since it uses as much as digits as its factorization.

109075631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15582240.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 109075631 is about 10443.9279488131. The cubic root of 109075631 is about 477.7960752542.

The spelling of 109075631 in words is "one hundred nine million, seventy-five thousand, six hundred thirty-one".