343315024321 has 2 divisors, whose sum is σ = 343315024322. Its totient is φ = 343315024320.

The previous prime is 343315024313. The next prime is 343315024331. The reversal of 343315024321 is 123420513343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259525038096 + 83789986225 = 509436^2 + 289465^2 .

It is a cyclic number.

It is not a de Polignac number, because 343315024321 - 2³ = 343315024313 is a prime.

It is a super-2 number, since 2×343315024321² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343315024331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171657512160 + 171657512161.

It is an arithmetic number, because the mean of its divisors is an integer number (171657512161).

Almost surely, 2^343315024321 is an apocalyptic number.

It is an amenable number.

343315024321 is a deficient number, since it is larger than the sum of its proper divisors (1).

343315024321 is an equidigital number, since it uses as much as digits as its factorization.

343315024321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 343315024321 its reverse (123420513343), we get a palindrome (466735537664).

The spelling of 343315024321 in words is "three hundred forty-three billion, three hundred fifteen million, twenty-four thousand, three hundred twenty-one".