1131443344113 has 32 divisors (see below), whose sum is σ = 1536069427200. Its totient is φ = 740664340416.

The previous prime is 1131443344111. The next prime is 1131443344153. The reversal of 1131443344113 is 3114433441311.

It is not a de Polignac number, because 1131443344113 - 2¹ = 1131443344111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131443344111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206502708 + ... + 206508186.

It is an arithmetic number, because the mean of its divisors is an integer number (48002169600).

Almost surely, 2^{1131443344113} is an apocalyptic number.

It is an amenable number.

1131443344113 is a deficient number, since it is larger than the sum of its proper divisors (404626083087).

1131443344113 is a wasteful number, since it uses less digits than its factorization.

1131443344113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181.

The product of its digits is 20736, while the sum is 33.

Adding to 1131443344113 its reverse (3114433441311), we get a palindrome (4245876785424).

The spelling of 1131443344113 in words is "one trillion, one hundred thirty-one billion, four hundred forty-three million, three hundred forty-four thousand, one hundred thirteen".