100033231 has 2 divisors, whose sum is σ = 100033232. Its totient is φ = 100033230.

The previous prime is 100033223. The next prime is 100033259. The reversal of 100033231 is 132330001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100033231 - 2³ = 100033223 is a prime.

It is a super-2 number, since 2×100033231² = 20013294608598722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100063231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50016615 + 50016616.

It is an arithmetic number, because the mean of its divisors is an integer number (50016616).

Almost surely, 2^100033231 is an apocalyptic number.

100033231 is a deficient number, since it is larger than the sum of its proper divisors (1).

100033231 is an equidigital number, since it uses as much as digits as its factorization.

100033231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 100033231 is about 10001.6614119855. The cubic root of 100033231 is about 464.2102925466.

Adding to 100033231 its reverse (132330001), we get a palindrome (232363232).

The spelling of 100033231 in words is "one hundred million, thirty-three thousand, two hundred thirty-one".