343512530520353 has 2 divisors, whose sum is σ = 343512530520354. Its totient is φ = 343512530520352.

The previous prime is 343512530520331. The next prime is 343512530520359. The reversal of 343512530520353 is 353025035215343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308813562440464 + 34698968079889 = 17573092^2 + 5890583^2 .

It is a cyclic number.

It is not a de Polignac number, because 343512530520353 - 2¹² = 343512530516257 is a prime.

It is not a weakly prime, because it can be changed into another prime (343512530520359) 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, 171756265260176 + 171756265260177.

It is an arithmetic number, because the mean of its divisors is an integer number (171756265260177).

Almost surely, 2^{343512530520353} is an apocalyptic number.

It is an amenable number.

343512530520353 is a deficient number, since it is larger than the sum of its proper divisors (1).

343512530520353 is an equidigital number, since it uses as much as digits as its factorization.

343512530520353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 44.

Adding to 343512530520353 its reverse (353025035215343), we get a palindrome (696537565735696).

The spelling of 343512530520353 in words is "three hundred forty-three trillion, five hundred twelve billion, five hundred thirty million, five hundred twenty thousand, three hundred fifty-three".