1131334443 has 12 divisors (see below), whose sum is σ = 1674007608. Its totient is φ = 735827040.

The previous prime is 1131334441. The next prime is 1131334453. The reversal of 1131334443 is 3444331311.

1131334443 is a `hidden beast` number, since 1 + 1 + 313 + 344 + 4 + 3 = 666.

It is not a de Polignac number, because 1131334443 - 2¹ = 1131334441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131334441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1532605 + ... + 1533342.

It is an arithmetic number, because the mean of its divisors is an integer number (139500634).

Almost surely, 2^1131334443 is an apocalyptic number.

1131334443 is a deficient number, since it is larger than the sum of its proper divisors (542673165).

1131334443 is a wasteful number, since it uses less digits than its factorization.

1131334443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065994 (or 3065991 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 1131334443 is about 33635.3154140109. The cubic root of 1131334443 is about 1041.9902847841.

Adding to 1131334443 its reverse (3444331311), we get a palindrome (4575665754).

The spelling of 1131334443 in words is "one billion, one hundred thirty-one million, three hundred thirty-four thousand, four hundred forty-three".