100231803 has 64 divisors (see below), whose sum is σ = 176640000. Its totient is φ = 56137536.

The previous prime is 100231763. The next prime is 100231819. The reversal of 100231803 is 308132001.

It is not a de Polignac number, because 100231803 - 2⁶ = 100231739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100231823) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 731551 + ... + 731687.

It is an arithmetic number, because the mean of its divisors is an integer number (2760000).

Almost surely, 2^100231803 is an apocalyptic number.

100231803 is a deficient number, since it is larger than the sum of its proper divisors (76408197).

100231803 is an equidigital number, since it uses as much as digits as its factorization.

100231803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 100231803 is about 10011.5834411945. The cubic root of 100231803 is about 464.5172513400.

Adding to 100231803 its reverse (308132001), we get a palindrome (408363804).

The spelling of 100231803 in words is "one hundred million, two hundred thirty-one thousand, eight hundred three".