203102132203 has 4 divisors (see below), whose sum is σ = 205549145928. Its totient is φ = 200655118480.

The previous prime is 203102132159. The next prime is 203102132209. The reversal of 203102132203 is 302231201302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 203102132203 - 2¹³ = 203102124011 is a prime.

It is a super-2 number, since 2×203102132203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203102132209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223506738 + ... + 1223506903.

It is an arithmetic number, because the mean of its divisors is an integer number (51387286482).

Almost surely, 2^203102132203 is an apocalyptic number.

203102132203 is a deficient number, since it is larger than the sum of its proper divisors (2447013725).

203102132203 is an equidigital number, since it uses as much as digits as its factorization.

203102132203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2447013724.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203102132203 its reverse (302231201302), we get a palindrome (505333333505).

The spelling of 203102132203 in words is "two hundred three billion, one hundred two million, one hundred thirty-two thousand, two hundred three".