11240304431 has 4 divisors (see below), whose sum is σ = 11343426600. Its totient is φ = 11137182264.

The previous prime is 11240304389. The next prime is 11240304433. The reversal of 11240304431 is 13440304211.

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 11240304431 - 2³⁰ = 10166562607 is a prime.

It is a super-2 number, since 2×11240304431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11240304397 and 11240304406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11240304433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51560921 + ... + 51561138.

It is an arithmetic number, because the mean of its divisors is an integer number (2835856650).

Almost surely, 2^11240304431 is an apocalyptic number.

11240304431 is a deficient number, since it is larger than the sum of its proper divisors (103122169).

11240304431 is a wasteful number, since it uses less digits than its factorization.

11240304431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103122168.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11240304431 its reverse (13440304211), we get a palindrome (24680608642).

The spelling of 11240304431 in words is "eleven billion, two hundred forty million, three hundred four thousand, four hundred thirty-one".