11303402321 has 4 divisors (see below), whose sum is σ = 11366550000. Its totient is φ = 11240254644.

The previous prime is 11303402293. The next prime is 11303402339. The reversal of 11303402321 is 12320430311.

11303402321 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11303402321 - 2¹⁰ = 11303401297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11303402293 and 11303402302.

It is not an unprimeable number, because it can be changed into a prime (11303402821) 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, 31573571 + ... + 31573928.

It is an arithmetic number, because the mean of its divisors is an integer number (2841637500).

Almost surely, 2^11303402321 is an apocalyptic number.

It is an amenable number.

11303402321 is a deficient number, since it is larger than the sum of its proper divisors (63147679).

11303402321 is an equidigital number, since it uses as much as digits as its factorization.

11303402321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63147678.

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

Adding to 11303402321 its reverse (12320430311), we get a palindrome (23623832632).

The spelling of 11303402321 in words is "eleven billion, three hundred three million, four hundred two thousand, three hundred twenty-one".