346331 has 2 divisors, whose sum is σ = 346332. Its totient is φ = 346330.

The previous prime is 346321. The next prime is 346337. The reversal of 346331 is 133643.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 346331 - 2¹⁰ = 345307 is a prime.

It is a super-2 number, since 2×346331² = 239890323122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (346337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173165 + 173166.

It is an arithmetic number, because the mean of its divisors is an integer number (173166).

2³⁴⁶³³¹ is an apocalyptic number.

346331 is a deficient number, since it is larger than the sum of its proper divisors (1).

346331 is an equidigital number, since it uses as much as digits as its factorization.

346331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 20.

The square root of 346331 is about 588.4989379770. The cubic root of 346331 is about 70.2258690438.

Adding to 346331 its reverse (133643), we get a palindrome (479974).

The spelling of 346331 in words is "three hundred forty-six thousand, three hundred thirty-one".