343820271 has 4 divisors (see below), whose sum is σ = 458427032. Its totient is φ = 229213512.

The previous prime is 343820263. The next prime is 343820273. The reversal of 343820271 is 172028343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 172028343 = 3 ⋅57342781.

It is not a de Polignac number, because 343820271 - 2³ = 343820263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343820273) 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 in 3 ways as a sum of consecutive naturals, for example, 57303376 + ... + 57303381.

It is an arithmetic number, because the mean of its divisors is an integer number (114606758).

Almost surely, 2^343820271 is an apocalyptic number.

343820271 is a deficient number, since it is larger than the sum of its proper divisors (114606761).

343820271 is a wasteful number, since it uses less digits than its factorization.

343820271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114606760.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 343820271 is about 18542.3911888408. The cubic root of 343820271 is about 700.5575632554.

The spelling of 343820271 in words is "three hundred forty-three million, eight hundred twenty thousand, two hundred seventy-one".