100312432 has 20 divisors (see below), whose sum is σ = 212024376. Its totient is φ = 45596480.

The previous prime is 100312423. The next prime is 100312447. The reversal of 100312432 is 234213001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284803 + ... + 285154.

Almost surely, 2^100312432 is an apocalyptic number.

It is an amenable number.

100312432 is an abundant number, since it is smaller than the sum of its proper divisors (111711944).

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

100312432 is a wasteful number, since it uses less digits than its factorization.

100312432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569976 (or 569970 counting only the distinct ones).

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

The square root of 100312432 is about 10015.6094173046. The cubic root of 100312432 is about 464.6417744353.

Adding to 100312432 its reverse (234213001), we get a palindrome (334525433).

The spelling of 100312432 in words is "one hundred million, three hundred twelve thousand, four hundred thirty-two".