1331121234344 has 32 divisors (see below), whose sum is σ = 2747727338400. Its totient is φ = 599504137920.

The previous prime is 1331121234337. The next prime is 1331121234353. The reversal of 1331121234344 is 4434321211331.

It is a super-2 number, since 2×1331121234344² (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 1331121234344.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 69377462 + ... + 69396645.

It is an arithmetic number, because the mean of its divisors is an integer number (85866479325).

Almost surely, 2^{1331121234344} is an apocalyptic number.

It is an amenable number.

1331121234344 is an abundant number, since it is smaller than the sum of its proper divisors (1416606104056).

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

1331121234344 is a wasteful number, since it uses less digits than its factorization.

1331121234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138774233 (or 138774229 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

Adding to 1331121234344 its reverse (4434321211331), we get a palindrome (5765442445675).

The spelling of 1331121234344 in words is "one trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred thirty-four thousand, three hundred forty-four".