344013013 has 4 divisors (see below), whose sum is σ = 353310700. Its totient is φ = 334715328.

The previous prime is 344012959. The next prime is 344013049. The reversal of 344013013 is 310310443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 196196049 + 147816964 = 14007^2 + 12158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344013013 is a prime.

It is a super-2 number, since 2×344013013² = 236689906226676338, which 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 (344013053) 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, 4648788 + ... + 4648861.

It is an arithmetic number, because the mean of its divisors is an integer number (88327675).

Almost surely, 2^344013013 is an apocalyptic number.

It is an amenable number.

344013013 is a deficient number, since it is larger than the sum of its proper divisors (9297687).

344013013 is an equidigital number, since it uses as much as digits as its factorization.

344013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9297686.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 344013013 is about 18547.5877946433. The cubic root of 344013013 is about 700.6884471828.

Adding to 344013013 its reverse (310310443), we get a palindrome (654323456).

The spelling of 344013013 in words is "three hundred forty-four million, thirteen thousand, thirteen".