343888319 has 2 divisors, whose sum is σ = 343888320. Its totient is φ = 343888318.

The previous prime is 343888313. The next prime is 343888357. The reversal of 343888319 is 913888343.

It is a weak prime.

It is an emirp because it is prime and its reverse (913888343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343888319 - 2¹⁶ = 343822783 is a prime.

It is a super-2 number, since 2×343888319² = 236518351889291522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343888313) 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, 171944159 + 171944160.

It is an arithmetic number, because the mean of its divisors is an integer number (171944160).

Almost surely, 2^343888319 is an apocalyptic number.

343888319 is a deficient number, since it is larger than the sum of its proper divisors (1).

343888319 is an equidigital number, since it uses as much as digits as its factorization.

343888319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The square root of 343888319 is about 18544.2260286052. The cubic root of 343888319 is about 700.6037777076.

The spelling of 343888319 in words is "three hundred forty-three million, eight hundred eighty-eight thousand, three hundred nineteen".