343271081 has 4 divisors (see below), whose sum is σ = 361338000. Its totient is φ = 325204164.

The previous prime is 343271063. The next prime is 343271099. The reversal of 343271081 is 180172343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180172343 = 13 ⋅13859411.

It is an interprime number because it is at equal distance from previous prime (343271063) and next prime (343271099).

It is a cyclic number.

It is not a de Polignac number, because 343271081 - 2⁶ = 343271017 is a prime.

It is a super-2 number, since 2×343271081² = 235670070101817122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (343271051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9033431 + ... + 9033468.

It is an arithmetic number, because the mean of its divisors is an integer number (90334500).

Almost surely, 2^343271081 is an apocalyptic number.

It is an amenable number.

343271081 is a deficient number, since it is larger than the sum of its proper divisors (18066919).

343271081 is a wasteful number, since it uses less digits than its factorization.

343271081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18066918.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 343271081 is about 18527.5762311210. The cubic root of 343271081 is about 700.1843602840.

The spelling of 343271081 in words is "three hundred forty-three million, two hundred seventy-one thousand, eighty-one".