11431442002 has 8 divisors (see below), whose sum is σ = 17153562096. Its totient is φ = 5713587972.

The previous prime is 11431441997. The next prime is 11431442021. The reversal of 11431442002 is 20024413411.

It is a happy number.

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, 1059808 + ... + 1070539.

It is an arithmetic number, because the mean of its divisors is an integer number (2144195262).

Almost surely, 2^11431442002 is an apocalyptic number.

11431442002 is a deficient number, since it is larger than the sum of its proper divisors (5722120094).

11431442002 is a wasteful number, since it uses less digits than its factorization.

11431442002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133032.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11431442002 its reverse (20024413411), we get a palindrome (31455855413).

The spelling of 11431442002 in words is "eleven billion, four hundred thirty-one million, four hundred forty-two thousand, two".