340322400211321 has 16 divisors (see below), whose sum is σ = 393365099694528. Its totient is φ = 290988327385600.

The previous prime is 340322400211099. The next prime is 340322400211337. The reversal of 340322400211321 is 123112004223043.

It is a cyclic number.

It is not a de Polignac number, because 340322400211321 - 2⁴¹ = 338123376955769 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 340322400211321.

It is not an unprimeable number, because it can be changed into a prime (340322400211721) 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, 614140975 + ... + 614694868.

It is an arithmetic number, because the mean of its divisors is an integer number (24585318730908).

Almost surely, 2^{340322400211321} is an apocalyptic number.

It is an amenable number.

340322400211321 is a deficient number, since it is larger than the sum of its proper divisors (53042699483207).

340322400211321 is a wasteful number, since it uses less digits than its factorization.

340322400211321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228837352.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 340322400211321 its reverse (123112004223043), we get a palindrome (463434404434364).

The spelling of 340322400211321 in words is "three hundred forty trillion, three hundred twenty-two billion, four hundred million, two hundred eleven thousand, three hundred twenty-one".