343402117 has 2 divisors, whose sum is σ = 343402118. Its totient is φ = 343402116.

The previous prime is 343402109. The next prime is 343402151. The reversal of 343402117 is 711204343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177662241 + 165739876 = 13329^2 + 12874^2 .

It is a cyclic number.

It is not a de Polignac number, because 343402117 - 2³ = 343402109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343402091 and 343402100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343402517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171701058 + 171701059.

It is an arithmetic number, because the mean of its divisors is an integer number (171701059).

Almost surely, 2^343402117 is an apocalyptic number.

It is an amenable number.

343402117 is a deficient number, since it is larger than the sum of its proper divisors (1).

343402117 is an equidigital number, since it uses as much as digits as its factorization.

343402117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 343402117 is about 18531.1121360808. The cubic root of 343402117 is about 700.2734421505.

The spelling of 343402117 in words is "three hundred forty-three million, four hundred two thousand, one hundred seventeen".