11331003203 has 4 divisors (see below), whose sum is σ = 12202618848. Its totient is φ = 10459387560.

The previous prime is 11331003193. The next prime is 11331003209. The reversal of 11331003203 is 30230013311.

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 11331003203 - 2⁶ = 11331003139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331003209) 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, 435807803 + ... + 435807828.

It is an arithmetic number, because the mean of its divisors is an integer number (3050654712).

Almost surely, 2^11331003203 is an apocalyptic number.

11331003203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331003203 is a deficient number, since it is larger than the sum of its proper divisors (871615645).

11331003203 is an equidigital number, since it uses as much as digits as its factorization.

11331003203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871615644.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 11331003203 its reverse (30230013311), we get a palindrome (41561016514).

The spelling of 11331003203 in words is "eleven billion, three hundred thirty-one million, three thousand, two hundred three".