2103031220203 has 4 divisors (see below), whose sum is σ = 2129651868640. Its totient is φ = 2076410571768.

The previous prime is 2103031220183. The next prime is 2103031220233. The reversal of 2103031220203 is 3020221303012.

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 2103031220203 - 2²¹ = 2103029123051 is a prime.

It is a super-2 number, since 2×2103031220203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103031220233) 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, 13310324100 + ... + 13310324257.

It is an arithmetic number, because the mean of its divisors is an integer number (532412967160).

Almost surely, 2^{2103031220203} is an apocalyptic number.

2103031220203 is a deficient number, since it is larger than the sum of its proper divisors (26620648437).

2103031220203 is an equidigital number, since it uses as much as digits as its factorization.

2103031220203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26620648436.

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

Adding to 2103031220203 its reverse (3020221303012), we get a palindrome (5123252523215).

The spelling of 2103031220203 in words is "two trillion, one hundred three billion, thirty-one million, two hundred twenty thousand, two hundred three".