1331331113444 has 12 divisors (see below), whose sum is σ = 2330994960000. Its totient is φ = 665332553448.

The previous prime is 1331331113443. The next prime is 1331331113447. The reversal of 1331331113444 is 4443111331331.

It is a super-2 number, since 2×1331331113444² (a number of 25 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 1331331113444.

It is not an unprimeable number, because it can be changed into a prime (1331331113443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83241824 + ... + 83257815.

It is an arithmetic number, because the mean of its divisors is an integer number (194249580000).

Almost surely, 2^{1331331113444} is an apocalyptic number.

It is an amenable number.

1331331113444 is a deficient number, since it is larger than the sum of its proper divisors (999663846556).

1331331113444 is a wasteful number, since it uses less digits than its factorization.

1331331113444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166501642 (or 166501640 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

Adding to 1331331113444 its reverse (4443111331331), we get a palindrome (5774442444775).

The spelling of 1331331113444 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, one hundred thirteen thousand, four hundred forty-four".