343118331 has 12 divisors (see below), whose sum is σ = 496528552. Its totient is φ = 228324096.

The previous prime is 343118317. The next prime is 343118333. The reversal of 343118331 is 133811343.

It is not a de Polignac number, because 343118331 - 2²⁷ = 208900603 is a prime.

It is a super-2 number, since 2×343118331² = 235460378136451122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343118295 and 343118304.

It is not an unprimeable number, because it can be changed into a prime (343118333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29926 + ... + 39771.

Almost surely, 2^343118331 is an apocalyptic number.

343118331 is a deficient number, since it is larger than the sum of its proper divisors (153410221).

343118331 is a wasteful number, since it uses less digits than its factorization.

343118331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70250 (or 70247 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 343118331 is about 18523.4535386898. The cubic root of 343118331 is about 700.0804880238.

Adding to 343118331 its reverse (133811343), we get a palindrome (476929674).

The spelling of 343118331 in words is "three hundred forty-three million, one hundred eighteen thousand, three hundred thirty-one".