200031103 has 4 divisors (see below), whose sum is σ = 200298208. Its totient is φ = 199764000.

The previous prime is 200031089. The next prime is 200031109. The reversal of 200031103 is 301130002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301130002 = 2 ⋅150565001.

It is a cyclic number.

It is not a de Polignac number, because 200031103 - 2⁵ = 200031071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200031103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200031109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132426 + ... + 133927.

It is an arithmetic number, because the mean of its divisors is an integer number (50074552).

Almost surely, 2^200031103 is an apocalyptic number.

200031103 is a deficient number, since it is larger than the sum of its proper divisors (267105).

200031103 is an equidigital number, since it uses as much as digits as its factorization.

200031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267104.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 200031103 is about 14143.2352380917. The cubic root of 200031103 is about 584.8338613125.

Adding to 200031103 its reverse (301130002), we get a palindrome (501161105).

The spelling of 200031103 in words is "two hundred million, thirty-one thousand, one hundred three".