13313144344 has 64 divisors (see below), whose sum is σ = 26311127040. Its totient is φ = 6307217280.

The previous prime is 13313144323. The next prime is 13313144353. The reversal of 13313144344 is 44344131331.

It is a happy number.

It is a super-4 number, since 4×13313144344⁴ (a number of 42 digits) contains 4444 as substring.

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, 4873459 + ... + 4876189.

It is an arithmetic number, because the mean of its divisors is an integer number (411111360).

Almost surely, 2^13313144344 is an apocalyptic number.

It is an amenable number.

13313144344 is a deficient number, since it is larger than the sum of its proper divisors (12997982696).

13313144344 is a wasteful number, since it uses less digits than its factorization.

13313144344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200 (or 3196 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

Adding to 13313144344 its reverse (44344131331), we get a palindrome (57657275675).

The spelling of 13313144344 in words is "thirteen billion, three hundred thirteen million, one hundred forty-four thousand, three hundred forty-four".