343421331 has 8 divisors (see below), whose sum is σ = 499521984. Its totient is φ = 208134120.

The previous prime is 343421321. The next prime is 343421341. The reversal of 343421331 is 133124343.

It is an interprime number because it is at equal distance from previous prime (343421321) and next prime (343421341).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343421331 - 2¹¹ = 343419283 is a prime.

It is a super-2 number, since 2×343421331² = 235876421171623122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343421321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5203321 + ... + 5203386.

It is an arithmetic number, because the mean of its divisors is an integer number (62440248).

Almost surely, 2^343421331 is an apocalyptic number.

343421331 is a deficient number, since it is larger than the sum of its proper divisors (156100653).

343421331 is a wasteful number, since it uses less digits than its factorization.

343421331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406721.

The product of its digits is 2592, while the sum is 24.

The square root of 343421331 is about 18531.6305542713. The cubic root of 343421331 is about 700.2865024495.

Adding to 343421331 its reverse (133124343), we get a palindrome (476545674).

The spelling of 343421331 in words is "three hundred forty-three million, four hundred twenty-one thousand, three hundred thirty-one".