100433231 has 8 divisors (see below), whose sum is σ = 103110000. Its totient is φ = 97767360.

The previous prime is 100433213. The next prime is 100433233. The reversal of 100433231 is 132334001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100433231 - 2⁶ = 100433167 is a prime.

It is a super-2 number, since 2×100433231² = 20173667778198722, 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 (100433233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18005 + ... + 22913.

It is an arithmetic number, because the mean of its divisors is an integer number (12888750).

Almost surely, 2^100433231 is an apocalyptic number.

100433231 is a deficient number, since it is larger than the sum of its proper divisors (2676769).

100433231 is an equidigital number, since it uses as much as digits as its factorization.

100433231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 100433231 is about 10021.6381395458. The cubic root of 100433231 is about 464.8282111021.

Adding to 100433231 its reverse (132334001), we get a palindrome (232767232).

The spelling of 100433231 in words is "one hundred million, four hundred thirty-three thousand, two hundred thirty-one".