2144344323311 has 8 divisors (see below), whose sum is σ = 2149014816000. Its totient is φ = 2139674168088.

The previous prime is 2144344323299. The next prime is 2144344323313. The reversal of 2144344323311 is 1133234434412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144344323311 - 2²² = 2144340129007 is a prime.

It is a super-2 number, since 2×2144344323311² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144344323313) 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, 15935690 + ... + 16069688.

It is an arithmetic number, because the mean of its divisors is an integer number (268626852000).

Almost surely, 2^{2144344323311} is an apocalyptic number.

2144344323311 is a deficient number, since it is larger than the sum of its proper divisors (4670492689).

2144344323311 is a wasteful number, since it uses less digits than its factorization.

2144344323311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168733.

The product of its digits is 82944, while the sum is 35.

Adding to 2144344323311 its reverse (1133234434412), we get a palindrome (3277578757723).

The spelling of 2144344323311 in words is "two trillion, one hundred forty-four billion, three hundred forty-four million, three hundred twenty-three thousand, three hundred eleven".