11431142234 has 4 divisors (see below), whose sum is σ = 17146713354. Its totient is φ = 5715571116.

The previous prime is 11431142179. The next prime is 11431142293. The reversal of 11431142234 is 43224113411.

11431142234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43224113411 = 7393 ⋅5846627.

It can be written as a sum of positive squares in only one way, i.e., 7996830625 + 3434311609 = 89425^2 + 58603^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2857785557 + ... + 2857785560.

Almost surely, 2^11431142234 is an apocalyptic number.

11431142234 is a deficient number, since it is larger than the sum of its proper divisors (5715571120).

11431142234 is an equidigital number, since it uses as much as digits as its factorization.

11431142234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715571119.

The product of its digits is 2304, while the sum is 26.

Adding to 11431142234 its reverse (43224113411), we get a palindrome (54655255645).

The spelling of 11431142234 in words is "eleven billion, four hundred thirty-one million, one hundred forty-two thousand, two hundred thirty-four".