343244203022321 has 16 divisors (see below), whose sum is σ = 344585684402304. Its totient is φ = 341903476617984.

The previous prime is 343244203022309. The next prime is 343244203022431. The reversal of 343244203022321 is 123220302442343.

It is a cyclic number.

It is not a de Polignac number, because 343244203022321 - 2¹⁴ = 343244203005937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343244203072321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23376973046 + ... + 23376987728.

It is an arithmetic number, because the mean of its divisors is an integer number (21536605275144).

Almost surely, 2^{343244203022321} is an apocalyptic number.

It is an amenable number.

343244203022321 is a deficient number, since it is larger than the sum of its proper divisors (1341481379983).

343244203022321 is a wasteful number, since it uses less digits than its factorization.

343244203022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34280.

The product of its (nonzero) digits is 165888, while the sum is 35.

Adding to 343244203022321 its reverse (123220302442343), we get a palindrome (466464505464664).

The spelling of 343244203022321 in words is "three hundred forty-three trillion, two hundred forty-four billion, two hundred three million, twenty-two thousand, three hundred twenty-one".