343402321240441 has 4 divisors (see below), whose sum is σ = 343792108212084. Its totient is φ = 343012534268800.

The previous prime is 343402321240439. The next prime is 343402321240481. The reversal of 343402321240441 is 144042123204343.

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 238426333923600 + 104975987316841 = 15441060^2 + 10245779^2 .

It is a cyclic number.

It is not a de Polignac number, because 343402321240441 - 2¹ = 343402321240439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 343402321240441.

It is not an unprimeable number, because it can be changed into a prime (343402321240481) 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, 194893484500 + ... + 194893486261.

It is an arithmetic number, because the mean of its divisors is an integer number (85948027053021).

Almost surely, 2^{343402321240441} is an apocalyptic number.

It is an amenable number.

343402321240441 is a deficient number, since it is larger than the sum of its proper divisors (389786971643).

343402321240441 is an equidigital number, since it uses as much as digits as its factorization.

343402321240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389786971642.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 343402321240441 its reverse (144042123204343), we get a palindrome (487444444444784).

The spelling of 343402321240441 in words is "three hundred forty-three trillion, four hundred two billion, three hundred twenty-one million, two hundred forty thousand, four hundred forty-one".