343671331 has 4 divisors (see below), whose sum is σ = 345978000. Its totient is φ = 341364664.

The previous prime is 343671329. The next prime is 343671347. The reversal of 343671331 is 133176343.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133176343 = 10067 ⋅13229.

It is a cyclic number.

It is not a de Polignac number, because 343671331 - 2¹ = 343671329 is a prime.

It is a super-2 number, since 2×343671331² = 236219967502623122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343671293 and 343671302.

It is not an unprimeable number, because it can be changed into a prime (343671131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153111 + ... + 1153408.

It is an arithmetic number, because the mean of its divisors is an integer number (86494500).

Almost surely, 2^343671331 is an apocalyptic number.

343671331 is a deficient number, since it is larger than the sum of its proper divisors (2306669).

343671331 is a wasteful number, since it uses less digits than its factorization.

343671331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306668.

The product of its digits is 13608, while the sum is 31.

The square root of 343671331 is about 18538.3745511844. The cubic root of 343671331 is about 700.4563901305.

The spelling of 343671331 in words is "three hundred forty-three million, six hundred seventy-one thousand, three hundred thirty-one".