1331349310844 has 24 divisors (see below), whose sum is σ = 2681854734720. Its totient is φ = 566473394736.

The previous prime is 1331349310843. The next prime is 1331349310867. The reversal of 1331349310844 is 4480139431331.

It is a junction number, because it is equal to n+sod(n) for n = 1331349310795 and 1331349310804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331349310843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171032762 + ... + 171040545.

It is an arithmetic number, because the mean of its divisors is an integer number (111743947280).

Almost surely, 2^{1331349310844} is an apocalyptic number.

1331349310844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1331349310844 is an abundant number, since it is smaller than the sum of its proper divisors (1350505423876).

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

1331349310844 is a wasteful number, since it uses less digits than its factorization.

1331349310844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342073457 (or 342073455 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 1331349310844 in words is "one trillion, three hundred thirty-one billion, three hundred forty-nine million, three hundred ten thousand, eight hundred forty-four".