100204231 has 4 divisors (see below), whose sum is σ = 100493352. Its totient is φ = 99915112.

The previous prime is 100204229. The next prime is 100204259. The reversal of 100204231 is 132402001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132402001 = 17 ⋅7788353.

It is a cyclic number.

It is not a de Polignac number, because 100204231 - 2¹ = 100204229 is a prime.

It is a super-2 number, since 2×100204231² = 20081775820602722, 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 (100204331) 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 3 ways as a sum of consecutive naturals, for example, 144040 + ... + 144733.

It is an arithmetic number, because the mean of its divisors is an integer number (25123338).

Almost surely, 2^100204231 is an apocalyptic number.

100204231 is a deficient number, since it is larger than the sum of its proper divisors (289121).

100204231 is an equidigital number, since it uses as much as digits as its factorization.

100204231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289120.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100204231 is about 10010.2063415296. The cubic root of 100204231 is about 464.4746539346.

Adding to 100204231 its reverse (132402001), we get a palindrome (232606232).

The spelling of 100204231 in words is "one hundred million, two hundred four thousand, two hundred thirty-one".