11431334442 has 32 divisors (see below), whose sum is σ = 24992377344. Its totient is φ = 3456918000.

The previous prime is 11431334417. The next prime is 11431334449. The reversal of 11431334442 is 24443313411.

It is not an unprimeable number, because it can be changed into a prime (11431334449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145684 + ... + 209967.

It is an arithmetic number, because the mean of its divisors is an integer number (781011792).

Almost surely, 2^11431334442 is an apocalyptic number.

11431334442 is an abundant number, since it is smaller than the sum of its proper divisors (13561042902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431334442 is a wasteful number, since it uses less digits than its factorization.

11431334442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356154.

The product of its digits is 13824, while the sum is 30.

Adding to 11431334442 its reverse (24443313411), we get a palindrome (35874647853).

The spelling of 11431334442 in words is "eleven billion, four hundred thirty-one million, three hundred thirty-four thousand, four hundred forty-two".