11303212303 has 4 divisors (see below), whose sum is σ = 11313332680. Its totient is φ = 11293091928.

The previous prime is 11303212301. The next prime is 11303212307. The reversal of 11303212303 is 30321230311.

11303212303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11303212303 - 2¹ = 11303212301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303212301) 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 3 ways as a sum of consecutive naturals, for example, 5058513 + ... + 5060746.

It is an arithmetic number, because the mean of its divisors is an integer number (2828333170).

Almost surely, 2^11303212303 is an apocalyptic number.

11303212303 is a deficient number, since it is larger than the sum of its proper divisors (10120377).

11303212303 is a wasteful number, since it uses less digits than its factorization.

11303212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120376.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11303212303 its reverse (30321230311), we get a palindrome (41624442614).

It can be divided in two parts, 11 and 303212303, that multiplied together give a palindrome (3335335333).

The spelling of 11303212303 in words is "eleven billion, three hundred three million, two hundred twelve thousand, three hundred three".