343330144131221 has 8 divisors (see below), whose sum is σ = 377606967032064. Its totient is φ = 310177151489520.

The previous prime is 343330144131217. The next prime is 343330144131223. The reversal of 343330144131221 is 122131441033343.

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 343330144131221 - 2² = 343330144131217 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 (343330144131223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280957564145 + ... + 280957565366.

It is an arithmetic number, because the mean of its divisors is an integer number (47200870879008).

Almost surely, 2^{343330144131221} is an apocalyptic number.

It is an amenable number.

343330144131221 is a deficient number, since it is larger than the sum of its proper divisors (34276822900843).

343330144131221 is a wasteful number, since it uses less digits than its factorization.

343330144131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561915129571.

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 343330144131221 its reverse (122131441033343), we get a palindrome (465461585164564).

The spelling of 343330144131221 in words is "three hundred forty-three trillion, three hundred thirty billion, one hundred forty-four million, one hundred thirty-one thousand, two hundred twenty-one".