344231213 has 4 divisors (see below), whose sum is σ = 344304768. Its totient is φ = 344157660.

The previous prime is 344231207. The next prime is 344231219. The reversal of 344231213 is 312132443.

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.

It is an interprime number because it is at equal distance from previous prime (344231207) and next prime (344231219).

It is a cyclic number.

It is not a de Polignac number, because 344231213 - 2¹⁰ = 344230189 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 (344231219) 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, 29243 + ... + 39288.

It is an arithmetic number, because the mean of its divisors is an integer number (86076192).

Almost surely, 2^344231213 is an apocalyptic number.

It is an amenable number.

344231213 is a deficient number, since it is larger than the sum of its proper divisors (73555).

344231213 is an equidigital number, since it uses as much as digits as its factorization.

344231213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73554.

The product of its digits is 1728, while the sum is 23.

The square root of 344231213 is about 18553.4690287288. The cubic root of 344231213 is about 700.8365597055.

Adding to 344231213 its reverse (312132443), we get a palindrome (656363656).

The spelling of 344231213 in words is "three hundred forty-four million, two hundred thirty-one thousand, two hundred thirteen".