11231200303 has 4 divisors (see below), whose sum is σ = 11342400408. Its totient is φ = 11120000200.

The previous prime is 11231200291. The next prime is 11231200313. The reversal of 11231200303 is 30300213211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11231200303 is a prime.

It is a super-2 number, since 2×11231200303² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231200313) 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, 55599901 + ... + 55600102.

It is an arithmetic number, because the mean of its divisors is an integer number (2835600102).

Almost surely, 2^11231200303 is an apocalyptic number.

11231200303 is a deficient number, since it is larger than the sum of its proper divisors (111200105).

11231200303 is a wasteful number, since it uses less digits than its factorization.

11231200303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111200104.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 11231200303 its reverse (30300213211), we get a palindrome (41531413514).

The spelling of 11231200303 in words is "eleven billion, two hundred thirty-one million, two hundred thousand, three hundred three".