11231443342 has 32 divisors (see below), whose sum is σ = 19633743360. Its totient is φ = 4719034080.

The previous prime is 11231443331. The next prime is 11231443367. The reversal of 11231443342 is 24334413211.

It is a happy number.

It is a super-2 number, since 2×11231443342² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11231443342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240759 + ... + 283597.

It is an arithmetic number, because the mean of its divisors is an integer number (613554480).

Almost surely, 2^11231443342 is an apocalyptic number.

11231443342 is a deficient number, since it is larger than the sum of its proper divisors (8402300018).

11231443342 is a wasteful number, since it uses less digits than its factorization.

11231443342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43216.

The product of its digits is 6912, while the sum is 28.

Adding to 11231443342 its reverse (24334413211), we get a palindrome (35565856553).

The spelling of 11231443342 in words is "eleven billion, two hundred thirty-one million, four hundred forty-three thousand, three hundred forty-two".