343412219 has 2 divisors, whose sum is σ = 343412220. Its totient is φ = 343412218.

The previous prime is 343412143. The next prime is 343412231. The reversal of 343412219 is 912214343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343412219 - 2¹² = 343408123 is a prime.

It is a super-2 number, since 2×343412219² = 235863904317007922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343412191 and 343412200.

It is not a weakly prime, because it can be changed into another prime (343412119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171706109 + 171706110.

It is an arithmetic number, because the mean of its divisors is an integer number (171706110).

Almost surely, 2^343412219 is an apocalyptic number.

343412219 is a deficient number, since it is larger than the sum of its proper divisors (1).

343412219 is an equidigital number, since it uses as much as digits as its factorization.

343412219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 343412219 is about 18531.3847027145. The cubic root of 343412219 is about 700.2803088263.

The spelling of 343412219 in words is "three hundred forty-three million, four hundred twelve thousand, two hundred nineteen".