343420133213321 has 8 divisors (see below), whose sum is σ = 351796777970400. Its totient is φ = 335043514358560.

The previous prime is 343420133213243. The next prime is 343420133213329. The reversal of 343420133213321 is 123312331024343.

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 343420133213321 - 2¹⁸ = 343420132951177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343420133213329) 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, 21858110 + ... + 34126488.

It is an arithmetic number, because the mean of its divisors is an integer number (43974597246300).

Almost surely, 2^{343420133213321} is an apocalyptic number.

It is an amenable number.

343420133213321 is a deficient number, since it is larger than the sum of its proper divisors (8376644757079).

343420133213321 is a wasteful number, since it uses less digits than its factorization.

343420133213321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12951159.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 343420133213321 its reverse (123312331024343), we get a palindrome (466732464237664).

The spelling of 343420133213321 in words is "three hundred forty-three trillion, four hundred twenty billion, one hundred thirty-three million, two hundred thirteen thousand, three hundred twenty-one".