11142242313 has 4 divisors (see below), whose sum is σ = 14856323088. Its totient is φ = 7428161540.

The previous prime is 11142242299. The next prime is 11142242317. The reversal of 11142242313 is 31324224111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11142242313 - 2⁴ = 11142242297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11142242317) 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, 1857040383 + ... + 1857040388.

It is an arithmetic number, because the mean of its divisors is an integer number (3714080772).

Almost surely, 2^11142242313 is an apocalyptic number.

It is an amenable number.

11142242313 is a deficient number, since it is larger than the sum of its proper divisors (3714080775).

11142242313 is an equidigital number, since it uses as much as digits as its factorization.

11142242313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714080774.

The product of its digits is 1152, while the sum is 24.

Adding to 11142242313 its reverse (31324224111), we get a palindrome (42466466424).

It can be divided in two parts, 111422 and 42313, that added together give a triangular number (153735 = T₅₅₄).

The spelling of 11142242313 in words is "eleven billion, one hundred forty-two million, two hundred forty-two thousand, three hundred thirteen".