344033320013 has 4 divisors (see below), whose sum is σ = 344169250368. Its totient is φ = 343897389660.

The previous prime is 344033319983. The next prime is 344033320027. The reversal of 344033320013 is 310023330443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310023330443 = 319321 ⋅970883.

It is a cyclic number.

It is not a de Polignac number, because 344033320013 - 2¹² = 344033315917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344033320613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67961381 + ... + 67966442.

It is an arithmetic number, because the mean of its divisors is an integer number (86042312592).

Almost surely, 2^344033320013 is an apocalyptic number.

It is an amenable number.

344033320013 is a deficient number, since it is larger than the sum of its proper divisors (135930355).

344033320013 is a wasteful number, since it uses less digits than its factorization.

344033320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135930354.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 344033320013 its reverse (310023330443), we get a palindrome (654056650456).

The spelling of 344033320013 in words is "three hundred forty-four billion, thirty-three million, three hundred twenty thousand, thirteen".