342331 has 4 divisors (see below), whose sum is σ = 373464. Its totient is φ = 311200.

The previous prime is 342319. The next prime is 342337. The reversal of 342331 is 133243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133243 = 11 ⋅12113.

It is a cyclic number.

It is not a de Polignac number, because 342331 - 2⁵ = 342299 is a prime.

It is a super-2 number, since 2×342331² = 234381027122, which contains 22 as substring.

It is a Duffinian number.

342331 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (342337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15550 + ... + 15571.

It is an arithmetic number, because the mean of its divisors is an integer number (93366).

2³⁴²³³¹ is an apocalyptic number.

342331 is a deficient number, since it is larger than the sum of its proper divisors (31133).

342331 is a wasteful number, since it uses less digits than its factorization.

342331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31132.

The product of its digits is 216, while the sum is 16.

The square root of 342331 is about 585.0905912763. The cubic root of 342331 is about 69.9544601755.

Adding to 342331 its reverse (133243), we get a palindrome (475574).

The spelling of 342331 in words is "three hundred forty-two thousand, three hundred thirty-one".