11431034243 has 8 divisors (see below), whose sum is σ = 12239443440. Its totient is φ = 10637735680.

The previous prime is 11431034231. The next prime is 11431034249. The reversal of 11431034243 is 34243013411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11431034243 - 2¹⁰ = 11431033219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431034249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3776093 + ... + 3779118.

It is an arithmetic number, because the mean of its divisors is an integer number (1529930430).

Almost surely, 2^11431034243 is an apocalyptic number.

11431034243 is a deficient number, since it is larger than the sum of its proper divisors (808409197).

11431034243 is an equidigital number, since it uses as much as digits as its factorization.

11431034243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555317.

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

Adding to 11431034243 its reverse (34243013411), we get a palindrome (45674047654).

The spelling of 11431034243 in words is "eleven billion, four hundred thirty-one million, thirty-four thousand, two hundred forty-three".