231122203 has 8 divisors (see below), whose sum is σ = 250376000. Its totient is φ = 213341544.

The previous prime is 231122189. The next prime is 231122273. The reversal of 231122203 is 302221132.

It is not a de Polignac number, because 231122203 - 2⁹ = 231121691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231122273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50403 + ... + 54796.

It is an arithmetic number, because the mean of its divisors is an integer number (31297000).

Almost surely, 2^231122203 is an apocalyptic number.

231122203 is a deficient number, since it is larger than the sum of its proper divisors (19253797).

231122203 is an equidigital number, since it uses as much as digits as its factorization.

231122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105238 (or 105212 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 231122203 is about 15202.7038055735. The cubic root of 231122203 is about 613.6874229072.

Adding to 231122203 its reverse (302221132), we get a palindrome (533343335).

The spelling of 231122203 in words is "two hundred thirty-one million, one hundred twenty-two thousand, two hundred three".