11303113203 has 12 divisors (see below), whose sum is σ = 16341455520. Its totient is φ = 7528607376.

The previous prime is 11303113201. The next prime is 11303113207. The reversal of 11303113203 is 30231130311.

It is a happy number.

11303113203 is a `hidden beast` number, since 1 + 1 + 30 + 311 + 320 + 3 = 666.

It is not a de Polignac number, because 11303113203 - 2¹ = 11303113201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11303113201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556251 + ... + 576212.

It is an arithmetic number, because the mean of its divisors is an integer number (1361787960).

Almost surely, 2^11303113203 is an apocalyptic number.

11303113203 is a deficient number, since it is larger than the sum of its proper divisors (5038342317).

11303113203 is a wasteful number, since it uses less digits than its factorization.

11303113203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133578 (or 1133575 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11303113203 its reverse (30231130311), we get a palindrome (41534243514).

The spelling of 11303113203 in words is "eleven billion, three hundred three million, one hundred thirteen thousand, two hundred three".