11303312003 has 8 divisors (see below), whose sum is σ = 11878780848. Its totient is φ = 10742052384.

The previous prime is 11303311993. The next prime is 11303312023. The reversal of 11303312003 is 30021330311.

11303312003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11303312003 - 2⁶ = 11303311939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303312023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3550676 + ... + 3553857.

It is an arithmetic number, because the mean of its divisors is an integer number (1484847606).

Almost surely, 2^11303312003 is an apocalyptic number.

11303312003 is a deficient number, since it is larger than the sum of its proper divisors (575468845).

11303312003 is an equidigital number, since it uses as much as digits as its factorization.

11303312003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104613.

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

Adding to 11303312003 its reverse (30021330311), we get a palindrome (41324642314).

It can be divided in two parts, 1130 and 3312003, that added together give a palindrome (3313133).

The spelling of 11303312003 in words is "eleven billion, three hundred three million, three hundred twelve thousand, three".