343030331 has 6 divisors (see below), whose sum is σ = 399035340. Its totient is φ = 294025956.

The previous prime is 343030309. The next prime is 343030411. The reversal of 343030331 is 133030343.

It is a de Polignac number, because none of the positive numbers 2^k-343030331 is a prime.

It is a super-2 number, since 2×343030331² = 235339615971939122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343035331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3500261 + ... + 3500358.

It is an arithmetic number, because the mean of its divisors is an integer number (66505890).

Almost surely, 2^343030331 is an apocalyptic number.

343030331 is a deficient number, since it is larger than the sum of its proper divisors (56005009).

343030331 is an equidigital number, since it uses as much as digits as its factorization.

343030331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000633 (or 7000626 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

The square root of 343030331 is about 18521.0780193811. The cubic root of 343030331 is about 700.0206327252.

Adding to 343030331 its reverse (133030343), we get a palindrome (476060674).

The spelling of 343030331 in words is "three hundred forty-three million, thirty thousand, three hundred thirty-one".