1331314433244 has 48 divisors (see below), whose sum is σ = 3601623594240. Its totient is φ = 424477064880.

The previous prime is 1331314433237. The next prime is 1331314433261. The reversal of 1331314433244 is 4423344131331.

1331314433244 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 314 + 4 + 332 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1331314433199 and 1331314433208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267975462 + ... + 267980429.

It is an arithmetic number, because the mean of its divisors is an integer number (75033824880).

Almost surely, 2^{1331314433244} is an apocalyptic number.

It is an amenable number.

1331314433244 is an abundant number, since it is smaller than the sum of its proper divisors (2270309160996).

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

1331314433244 is a wasteful number, since it uses less digits than its factorization.

1331314433244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535955927 (or 535955919 counting only the distinct ones).

The product of its digits is 124416, while the sum is 36.

Adding to 1331314433244 its reverse (4423344131331), we get a palindrome (5754658564575).

The spelling of 1331314433244 in words is "one trillion, three hundred thirty-one billion, three hundred fourteen million, four hundred thirty-three thousand, two hundred forty-four".