100200231 has 12 divisors (see below), whose sum is σ = 147187560. Its totient is φ = 65667600.

The previous prime is 100200223. The next prime is 100200253. The reversal of 100200231 is 132002001.

It is a happy number.

It is not a de Polignac number, because 100200231 - 2³ = 100200223 is a prime.

It is a super-2 number, since 2×100200231² = 20080172584906722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93820 + ... + 94881.

It is an arithmetic number, because the mean of its divisors is an integer number (12265630).

Almost surely, 2^100200231 is an apocalyptic number.

100200231 is a deficient number, since it is larger than the sum of its proper divisors (46987329).

100200231 is a wasteful number, since it uses less digits than its factorization.

100200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188766 (or 188763 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100200231 is about 10010.0065434544. The cubic root of 100200231 is about 464.4684734792.

Adding to 100200231 its reverse (132002001), we get a palindrome (232202232).

The spelling of 100200231 in words is "one hundred million, two hundred thousand, two hundred thirty-one".