343221213204053 has 2 divisors, whose sum is σ = 343221213204054. Its totient is φ = 343221213204052.

The previous prime is 343221213204041. The next prime is 343221213204061. The reversal of 343221213204053 is 350402312122343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 314199483302929 + 29021729901124 = 17725673^2 + 5387182^2 .

It is a cyclic number.

It is not a de Polignac number, because 343221213204053 - 2¹⁸ = 343221212941909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343221213204013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171610606602026 + 171610606602027.

It is an arithmetic number, because the mean of its divisors is an integer number (171610606602027).

Almost surely, 2^{343221213204053} is an apocalyptic number.

It is an amenable number.

343221213204053 is a deficient number, since it is larger than the sum of its proper divisors (1).

343221213204053 is an equidigital number, since it uses as much as digits as its factorization.

343221213204053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 343221213204053 its reverse (350402312122343), we get a palindrome (693623525326396).

The spelling of 343221213204053 in words is "three hundred forty-three trillion, two hundred twenty-one billion, two hundred thirteen million, two hundred four thousand, fifty-three".