343134134425021 has 2 divisors, whose sum is σ = 343134134425022. Its totient is φ = 343134134425020.

The previous prime is 343134134424979. The next prime is 343134134425081. The reversal of 343134134425021 is 120524431431343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197439312716100 + 145694821708921 = 14051310^2 + 12070411^2 .

It is a cyclic number.

It is not a de Polignac number, because 343134134425021 - 2²⁹ = 343133597554109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343134134425081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171567067212510 + 171567067212511.

It is an arithmetic number, because the mean of its divisors is an integer number (171567067212511).

Almost surely, 2^{343134134425021} is an apocalyptic number.

It is an amenable number.

343134134425021 is a deficient number, since it is larger than the sum of its proper divisors (1).

343134134425021 is an equidigital number, since it uses as much as digits as its factorization.

343134134425021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 343134134425021 its reverse (120524431431343), we get a palindrome (463658565856364).

The spelling of 343134134425021 in words is "three hundred forty-three trillion, one hundred thirty-four billion, one hundred thirty-four million, four hundred twenty-five thousand, twenty-one".