11105430331 has 4 divisors (see below), whose sum is σ = 11588275152. Its totient is φ = 10622585512.

The previous prime is 11105430311. The next prime is 11105430337. The reversal of 11105430331 is 13303450111.

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

It is not a de Polignac number, because 11105430331 - 2⁵ = 11105430299 is a prime.

It is a super-2 number, since 2×11105430331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11105430337) 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, 241422376 + ... + 241422421.

It is an arithmetic number, because the mean of its divisors is an integer number (2897068788).

Almost surely, 2^11105430331 is an apocalyptic number.

11105430331 is a deficient number, since it is larger than the sum of its proper divisors (482844821).

11105430331 is an equidigital number, since it uses as much as digits as its factorization.

11105430331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482844820.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11105430331 its reverse (13303450111), we get a palindrome (24408880442).

The spelling of 11105430331 in words is "eleven billion, one hundred five million, four hundred thirty thousand, three hundred thirty-one".