343420331 has 8 divisors (see below), whose sum is σ = 346089744. Its totient is φ = 340761600.

The previous prime is 343420327. The next prime is 343420333. The reversal of 343420331 is 133024343.

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

It is a cyclic number.

It is not a de Polignac number, because 343420331 - 2² = 343420327 is a prime.

It is a super-2 number, since 2×343420331² = 235875047488299122, 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 = 343420297 and 343420306.

It is not an unprimeable number, because it can be changed into a prime (343420333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69131 + ... + 73931.

It is an arithmetic number, because the mean of its divisors is an integer number (43261218).

Almost surely, 2^343420331 is an apocalyptic number.

343420331 is a deficient number, since it is larger than the sum of its proper divisors (2669413).

343420331 is a wasteful number, since it uses less digits than its factorization.

343420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 343420331 is about 18531.6035733554. The cubic root of 343420331 is about 700.2858227333.

Adding to 343420331 its reverse (133024343), we get a palindrome (476444674).

The spelling of 343420331 in words is "three hundred forty-three million, four hundred twenty thousand, three hundred thirty-one".