344102002320221 has 8 divisors (see below), whose sum is σ = 344416912540344. Its totient is φ = 343787094351360.

The previous prime is 344102002320169. The next prime is 344102002320229. The reversal of 344102002320221 is 122023200201443.

It can be written as a sum of positive squares in 4 ways, for example, as 85592361604996 + 258509640715225 = 9251614^2 + 16078235^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344102002320221 - 2¹⁸ = 344102002058077 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 (344102002320229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561995381 + ... + 562607333.

It is an arithmetic number, because the mean of its divisors is an integer number (43052114067543).

Almost surely, 2^{344102002320221} is an apocalyptic number.

It is an amenable number.

344102002320221 is a deficient number, since it is larger than the sum of its proper divisors (314910220123).

344102002320221 is a wasteful number, since it uses less digits than its factorization.

344102002320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125631.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 344102002320221 its reverse (122023200201443), we get a palindrome (466125202521664).

The spelling of 344102002320221 in words is "three hundred forty-four trillion, one hundred two billion, two million, three hundred twenty thousand, two hundred twenty-one".