11443042313 has 4 divisors (see below), whose sum is σ = 11722140948. Its totient is φ = 11163943680.

The previous prime is 11443042297. The next prime is 11443042321. The reversal of 11443042313 is 31324034411.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 727273024 + 10715769289 = 26968^2 + 103517^2 .

It is a cyclic number.

It is not a de Polignac number, because 11443042313 - 2⁴ = 11443042297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443042333) 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, 139549256 + ... + 139549337.

It is an arithmetic number, because the mean of its divisors is an integer number (2930535237).

Almost surely, 2^11443042313 is an apocalyptic number.

It is an amenable number.

11443042313 is a deficient number, since it is larger than the sum of its proper divisors (279098635).

11443042313 is an equidigital number, since it uses as much as digits as its factorization.

11443042313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279098634.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11443042313 its reverse (31324034411), we get a palindrome (42767076724).

The spelling of 11443042313 in words is "eleven billion, four hundred forty-three million, forty-two thousand, three hundred thirteen".