100213231 has 6 divisors (see below), whose sum is σ = 104760320. Its totient is φ = 95855628.

The previous prime is 100213213. The next prime is 100213237. The reversal of 100213231 is 132312001.

It is not a de Polignac number, because 100213231 - 2¹¹ = 100211183 is a prime.

It is a super-2 number, since 2×100213231² = 20085383334918722, 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 (100213237) 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 in 5 ways as a sum of consecutive naturals, for example, 94191 + ... + 95248.

Almost surely, 2^100213231 is an apocalyptic number.

100213231 is a deficient number, since it is larger than the sum of its proper divisors (4547089).

100213231 is an equidigital number, since it uses as much as digits as its factorization.

100213231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189485 (or 189462 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 100213231 is about 10010.6558726189. The cubic root of 100213231 is about 464.4885593579.

Adding to 100213231 its reverse (132312001), we get a palindrome (232525232).

The spelling of 100213231 in words is "one hundred million, two hundred thirteen thousand, two hundred thirty-one".