343982971 has 2 divisors, whose sum is σ = 343982972. Its totient is φ = 343982970.

The previous prime is 343982957. The next prime is 343983061. The reversal of 343982971 is 179289343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343982971 - 2⁹ = 343982459 is a prime.

It is not a weakly prime, because it can be changed into another prime (343982371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171991485 + 171991486.

It is an arithmetic number, because the mean of its divisors is an integer number (171991486).

Almost surely, 2^343982971 is an apocalyptic number.

343982971 is a deficient number, since it is larger than the sum of its proper divisors (1).

343982971 is an equidigital number, since it uses as much as digits as its factorization.

343982971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 343982971 is about 18546.7779142362. Note that the first 3 decimals coincide. The cubic root of 343982971 is about 700.6680499940.

The spelling of 343982971 in words is "three hundred forty-three million, nine hundred eighty-two thousand, nine hundred seventy-one".