343242113 has 2 divisors, whose sum is σ = 343242114. Its totient is φ = 343242112.

The previous prime is 343242103. The next prime is 343242143. The reversal of 343242113 is 311242343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300953104 + 42289009 = 17348^2 + 6503^2 .

It is an emirp because it is prime and its reverse (311242343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343242113 - 2¹⁰ = 343241089 is a prime.

It is not a weakly prime, because it can be changed into another prime (343242103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171621056 + 171621057.

It is an arithmetic number, because the mean of its divisors is an integer number (171621057).

Almost surely, 2^343242113 is an apocalyptic number.

It is an amenable number.

343242113 is a deficient number, since it is larger than the sum of its proper divisors (1).

343242113 is an equidigital number, since it uses as much as digits as its factorization.

343242113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 23.

The square root of 343242113 is about 18526.7944609962. The cubic root of 343242113 is about 700.1646639834.

Adding to 343242113 its reverse (311242343), we get a palindrome (654484456).

The spelling of 343242113 in words is "three hundred forty-three million, two hundred forty-two thousand, one hundred thirteen".