203112200103 has 8 divisors (see below), whose sum is σ = 274079113728. Its totient is φ = 133776709944.

The previous prime is 203112200099. The next prime is 203112200107. The reversal of 203112200103 is 301002211302.

It is an interprime number because it is at equal distance from previous prime (203112200099) and next prime (203112200107).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203112200103 - 2² = 203112200099 is a prime.

It is a super-2 number, since 2×203112200103² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203112200107) 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 7 ways as a sum of consecutive naturals, for example, 407855575 + ... + 407856072.

It is an arithmetic number, because the mean of its divisors is an integer number (34259889216).

Almost surely, 2^203112200103 is an apocalyptic number.

203112200103 is a deficient number, since it is larger than the sum of its proper divisors (70966913625).

203112200103 is an equidigital number, since it uses as much as digits as its factorization.

203112200103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815711733.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203112200103 its reverse (301002211302), we get a palindrome (504114411405).

The spelling of 203112200103 in words is "two hundred three billion, one hundred twelve million, two hundred thousand, one hundred three".