343084129 has 2 divisors, whose sum is σ = 343084130. Its totient is φ = 343084128.

The previous prime is 343084117. The next prime is 343084139. The reversal of 343084129 is 921480343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338560000 + 4524129 = 18400^2 + 2127^2 .

It is a cyclic number.

It is not a de Polignac number, because 343084129 - 2¹¹ = 343082081 is a prime.

It is equal to p_18451681 and since 343084129 and 18451681 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 343084094 and 343084103.

It is not a weakly prime, because it can be changed into another prime (343084139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171542064 + 171542065.

It is an arithmetic number, because the mean of its divisors is an integer number (171542065).

Almost surely, 2^343084129 is an apocalyptic number.

It is an amenable number.

343084129 is a deficient number, since it is larger than the sum of its proper divisors (1).

343084129 is an equidigital number, since it uses as much as digits as its factorization.

343084129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 343084129 is about 18522.5303077090. The cubic root of 343084129 is about 700.0572259338.

The spelling of 343084129 in words is "three hundred forty-three million, eighty-four thousand, one hundred twenty-nine".