343313321053 has 2 divisors, whose sum is σ = 343313321054. Its totient is φ = 343313321052.

The previous prime is 343313321051. The next prime is 343313321147. The reversal of 343313321053 is 350123313343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215873602884 + 127439718169 = 464622^2 + 356987^2 .

It is a cyclic number.

It is not a de Polignac number, because 343313321053 - 2¹ = 343313321051 is a prime.

Together with 343313321051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343313321051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171656660526 + 171656660527.

It is an arithmetic number, because the mean of its divisors is an integer number (171656660527).

Almost surely, 2^343313321053 is an apocalyptic number.

It is an amenable number.

343313321053 is a deficient number, since it is larger than the sum of its proper divisors (1).

343313321053 is an equidigital number, since it uses as much as digits as its factorization.

343313321053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 31.

Adding to 343313321053 its reverse (350123313343), we get a palindrome (693436634396).

The spelling of 343313321053 in words is "three hundred forty-three billion, three hundred thirteen million, three hundred twenty-one thousand, fifty-three".