100231432 has 32 divisors (see below), whose sum is σ = 221713920. Its totient is φ = 41569920.

The previous prime is 100231423. The next prime is 100231451. The reversal of 100231432 is 234132001.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27133 + ... + 30604.

It is an arithmetic number, because the mean of its divisors is an integer number (6928560).

Almost surely, 2^100231432 is an apocalyptic number.

It is an amenable number.

100231432 is an abundant number, since it is smaller than the sum of its proper divisors (121482488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100231432 is a wasteful number, since it uses less digits than its factorization.

100231432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57781 (or 57777 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100231432 is about 10011.5649126398. The cubic root of 100231432 is about 464.5166782148.

Adding to 100231432 its reverse (234132001), we get a palindrome (334363433).

The spelling of 100231432 in words is "one hundred million, two hundred thirty-one thousand, four hundred thirty-two".