343524109 has 2 divisors, whose sum is σ = 343524110. Its totient is φ = 343524108.

The previous prime is 343524107. The next prime is 343524121. The reversal of 343524109 is 901425343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241958025 + 101566084 = 15555^2 + 10078^2 .

It is a cyclic number.

It is not a de Polignac number, because 343524109 - 2¹ = 343524107 is a prime.

Together with 343524107, 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 (343524107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171762054 + 171762055.

It is an arithmetic number, because the mean of its divisors is an integer number (171762055).

Almost surely, 2^343524109 is an apocalyptic number.

It is an amenable number.

343524109 is a deficient number, since it is larger than the sum of its proper divisors (1).

343524109 is an equidigital number, since it uses as much as digits as its factorization.

343524109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 343524109 is about 18534.4033893730. The cubic root of 343524109 is about 700.3563552909.

The spelling of 343524109 in words is "three hundred forty-three million, five hundred twenty-four thousand, one hundred nine".