343400117 has 2 divisors, whose sum is σ = 343400118. Its totient is φ = 343400116.

The previous prime is 343400093. The next prime is 343400131. The reversal of 343400117 is 711004343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 334194961 + 9205156 = 18281^2 + 3034^2 .

It is a cyclic number.

It is not a de Polignac number, because 343400117 - 2¹⁸ = 343137973 is a prime.

It is a super-2 number, since 2×343400117² = 235847280711227378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343400092 and 343400101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343400137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171700058 + 171700059.

It is an arithmetic number, because the mean of its divisors is an integer number (171700059).

Almost surely, 2^343400117 is an apocalyptic number.

It is an amenable number.

343400117 is a deficient number, since it is larger than the sum of its proper divisors (1).

343400117 is an equidigital number, since it uses as much as digits as its factorization.

343400117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 343400117 is about 18531.0581727002. The cubic root of 343400117 is about 700.2720826660.

The spelling of 343400117 in words is "three hundred forty-three million, four hundred thousand, one hundred seventeen".