1131230443344 has 80 divisors (see below), whose sum is σ = 3016837576704. Its totient is φ = 364886064000.

The previous prime is 1131230443303. The next prime is 1131230443349. The reversal of 1131230443344 is 4433440321311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131230443349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33687907 + ... + 33721469.

Almost surely, 2^{1131230443344} is an apocalyptic number.

It is an amenable number.

1131230443344 is an abundant number, since it is smaller than the sum of its proper divisors (1885607133360).

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

1131230443344 is a wasteful number, since it uses less digits than its factorization.

1131230443344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56256 (or 56250 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 1131230443344 its reverse (4433440321311), we get a palindrome (5564670764655).

The spelling of 1131230443344 in words is "one trillion, one hundred thirty-one billion, two hundred thirty million, four hundred forty-three thousand, three hundred forty-four".