11140344331 has 4 divisors (see below), whose sum is σ = 11624707152. Its totient is φ = 10655981512.

The previous prime is 11140344289. The next prime is 11140344359. The reversal of 11140344331 is 13344304111.

It is a happy number.

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

It is not a de Polignac number, because 11140344331 - 2²¹ = 11138247179 is a prime.

It is a super-2 number, since 2×11140344331² (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 = 11140344296 and 11140344305.

It is not an unprimeable number, because it can be changed into a prime (11140344031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242181376 + ... + 242181421.

It is an arithmetic number, because the mean of its divisors is an integer number (2906176788).

Almost surely, 2^11140344331 is an apocalyptic number.

11140344331 is a deficient number, since it is larger than the sum of its proper divisors (484362821).

11140344331 is an equidigital number, since it uses as much as digits as its factorization.

11140344331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484362820.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11140344331 its reverse (13344304111), we get a palindrome (24484648442).

The spelling of 11140344331 in words is "eleven billion, one hundred forty million, three hundred forty-four thousand, three hundred thirty-one".