11303210243 has 4 divisors (see below), whose sum is σ = 12172687968. Its totient is φ = 10433732520.

The previous prime is 11303210239. The next prime is 11303210249. The reversal of 11303210243 is 34201230311.

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 11303210243 - 2² = 11303210239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11303210249) 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, 434738843 + ... + 434738868.

It is an arithmetic number, because the mean of its divisors is an integer number (3043171992).

Almost surely, 2^11303210243 is an apocalyptic number.

11303210243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11303210243 is a deficient number, since it is larger than the sum of its proper divisors (869477725).

11303210243 is an equidigital number, since it uses as much as digits as its factorization.

11303210243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869477724.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11303210243 its reverse (34201230311), we get a palindrome (45504440554).

The spelling of 11303210243 in words is "eleven billion, three hundred three million, two hundred ten thousand, two hundred forty-three".