343600331 has 4 divisors (see below), whose sum is σ = 343738200. Its totient is φ = 343462464.

The previous prime is 343600319. The next prime is 343600363. The reversal of 343600331 is 133006343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343600331 - 2¹⁰ = 343599307 is a prime.

It is a super-2 number, since 2×343600331² = 236122374926619122, 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 = 343600297 and 343600306.

It is not an unprimeable number, because it can be changed into a prime (343600391) 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 3 ways as a sum of consecutive naturals, for example, 65126 + ... + 70203.

It is an arithmetic number, because the mean of its divisors is an integer number (85934550).

Almost surely, 2^343600331 is an apocalyptic number.

343600331 is a deficient number, since it is larger than the sum of its proper divisors (137869).

343600331 is a wasteful number, since it uses less digits than its factorization.

343600331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137868.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 343600331 is about 18536.4595055259. The cubic root of 343600331 is about 700.4081504080.

Adding to 343600331 its reverse (133006343), we get a palindrome (476606674).

The spelling of 343600331 in words is "three hundred forty-three million, six hundred thousand, three hundred thirty-one".