109531432 has 32 divisors (see below), whose sum is σ = 216529920. Its totient is φ = 51865920.

The previous prime is 109531397. The next prime is 109531439. The reversal of 109531432 is 234135901.

It is a self number, because there is not a number n which added to its sum of digits gives 109531432.

It is not an unprimeable number, because it can be changed into a prime (109531439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6958 + ... + 16354.

It is an arithmetic number, because the mean of its divisors is an integer number (6766560).

Almost surely, 2^109531432 is an apocalyptic number.

It is an amenable number.

109531432 is a deficient number, since it is larger than the sum of its proper divisors (106998488).

109531432 is a wasteful number, since it uses less digits than its factorization.

109531432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481 (or 9477 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 109531432 is about 10465.7265395194. The cubic root of 109531432 is about 478.4606822463.

The spelling of 109531432 in words is "one hundred nine million, five hundred thirty-one thousand, four hundred thirty-two".