11031003203 has 16 divisors (see below), whose sum is σ = 12443397120. Its totient is φ = 9687986400.

The previous prime is 11031003187. The next prime is 11031003227. The reversal of 11031003203 is 30230013011.

It is a cyclic number.

It is not a de Polignac number, because 11031003203 - 2⁴ = 11031003187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11031003283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172613 + ... + 227721.

It is an arithmetic number, because the mean of its divisors is an integer number (777712320).

Almost surely, 2^11031003203 is an apocalyptic number.

11031003203 is a deficient number, since it is larger than the sum of its proper divisors (1412393917).

11031003203 is a wasteful number, since it uses less digits than its factorization.

11031003203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55738.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 11031003203 its reverse (30230013011), we get a palindrome (41261016214).

The spelling of 11031003203 in words is "eleven billion, thirty-one million, three thousand, two hundred three".