11431223242 has 8 divisors (see below), whose sum is σ = 17190915300. Its totient is φ = 5700918144.

The previous prime is 11431223239. The next prime is 11431223263. The reversal of 11431223242 is 24232213411.

It can be written as a sum of positive squares in 2 ways, for example, as 11136791961 + 294431281 = 105531^2 + 17159^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7345767 + ... + 7347322.

Almost surely, 2^11431223242 is an apocalyptic number.

11431223242 is a deficient number, since it is larger than the sum of its proper divisors (5759692058).

11431223242 is a wasteful number, since it uses less digits than its factorization.

11431223242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14693480.

The product of its digits is 2304, while the sum is 25.

Adding to 11431223242 its reverse (24232213411), we get a palindrome (35663436653).

The spelling of 11431223242 in words is "eleven billion, four hundred thirty-one million, two hundred twenty-three thousand, two hundred forty-two".