11304204311 has 4 divisors (see below), whose sum is σ = 11304476400. Its totient is φ = 11303932224.

The previous prime is 11304204293. The next prime is 11304204319. The reversal of 11304204311 is 11340240311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11340240311 = 10267 ⋅1104533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11304204311 is a prime.

It is a super-3 number, since 3×11304204311³ (a number of 31 digits) contains 333 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 (11304204319) 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, 59291 + ... + 161628.

It is an arithmetic number, because the mean of its divisors is an integer number (2826119100).

Almost surely, 2^11304204311 is an apocalyptic number.

11304204311 is a deficient number, since it is larger than the sum of its proper divisors (272089).

11304204311 is an equidigital number, since it uses as much as digits as its factorization.

11304204311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272088.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11304204311 its reverse (11340240311), we get a palindrome (22644444622).

The spelling of 11304204311 in words is "eleven billion, three hundred four million, two hundred four thousand, three hundred eleven".