344143213 has 4 divisors (see below), whose sum is σ = 344291580. Its totient is φ = 343994848.

The previous prime is 344143201. The next prime is 344143249. The reversal of 344143213 is 312341443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 312341443 = 1951 ⋅160093.

It can be written as a sum of positive squares in 2 ways, for example, as 101344489 + 242798724 = 10067^2 + 15582^2 .

It is a cyclic number.

It is not a de Polignac number, because 344143213 - 2¹³ = 344135021 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 (344143013) 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, 70648 + ... + 75361.

It is an arithmetic number, because the mean of its divisors is an integer number (86072895).

Almost surely, 2^344143213 is an apocalyptic number.

It is an amenable number.

344143213 is a deficient number, since it is larger than the sum of its proper divisors (148367).

344143213 is a wasteful number, since it uses less digits than its factorization.

344143213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148366.

The product of its digits is 3456, while the sum is 25.

The square root of 344143213 is about 18551.0973529870. The cubic root of 344143213 is about 700.7768334991.

Adding to 344143213 its reverse (312341443), we get a palindrome (656484656).

The spelling of 344143213 in words is "three hundred forty-four million, one hundred forty-three thousand, two hundred thirteen".