343313004121 has 2 divisors, whose sum is σ = 343313004122. Its totient is φ = 343313004120.

The previous prime is 343313004109. The next prime is 343313004131. The reversal of 343313004121 is 121400313343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340349726025 + 2963278096 = 583395^2 + 54436^2 .

It is a cyclic number.

It is not a de Polignac number, because 343313004121 - 2⁹ = 343313003609 is a prime.

It is not a weakly prime, because it can be changed into another prime (343313004131) 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, 171656502060 + 171656502061.

It is an arithmetic number, because the mean of its divisors is an integer number (171656502061).

Almost surely, 2^343313004121 is an apocalyptic number.

It is an amenable number.

343313004121 is a deficient number, since it is larger than the sum of its proper divisors (1).

343313004121 is an equidigital number, since it uses as much as digits as its factorization.

343313004121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 343313004121 its reverse (121400313343), we get a palindrome (464713317464).

The spelling of 343313004121 in words is "three hundred forty-three billion, three hundred thirteen million, four thousand, one hundred twenty-one".