344003013 has 6 divisors (see below), whose sum is σ = 496893254. Its totient is φ = 229335336.

The previous prime is 344003003. The next prime is 344003021. The reversal of 344003013 is 310300443.

It can be written as a sum of positive squares in only one way, i.e., 212051844 + 131951169 = 14562^2 + 11487^2 .

It is not a de Polignac number, because 344003013 - 2⁹ = 344002501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344003003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19111270 + ... + 19111287.

Almost surely, 2^344003013 is an apocalyptic number.

It is an amenable number.

344003013 is a deficient number, since it is larger than the sum of its proper divisors (152890241).

344003013 is a wasteful number, since it uses less digits than its factorization.

344003013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38222563 (or 38222560 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 344003013 is about 18547.3182158500. The cubic root of 344003013 is about 700.6816577571.

Adding to 344003013 its reverse (310300443), we get a palindrome (654303456).

The spelling of 344003013 in words is "three hundred forty-four million, three thousand, thirteen".