343441314221 has 4 divisors (see below), whose sum is σ = 343445013792. Its totient is φ = 343437614652.

The previous prime is 343441314163. The next prime is 343441314283. The reversal of 343441314221 is 122413144343.

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: 122413144343 = 7 ⋅17487592049.

It is a cyclic number.

It is not a de Polignac number, because 343441314221 - 2¹⁰ = 343441313197 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 (343441314721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706855 + ... + 1897428.

It is an arithmetic number, because the mean of its divisors is an integer number (85861253448).

Almost surely, 2^343441314221 is an apocalyptic number.

It is an amenable number.

343441314221 is a deficient number, since it is larger than the sum of its proper divisors (3699571).

343441314221 is an equidigital number, since it uses as much as digits as its factorization.

343441314221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699570.

The product of its digits is 27648, while the sum is 32.

Adding to 343441314221 its reverse (122413144343), we get a palindrome (465854458564).

The spelling of 343441314221 in words is "three hundred forty-three billion, four hundred forty-one million, three hundred fourteen thousand, two hundred twenty-one".