234340331 has 2 divisors, whose sum is σ = 234340332. Its totient is φ = 234340330.

The previous prime is 234340279. The next prime is 234340333. The reversal of 234340331 is 133043432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 234340331 - 2¹⁰ = 234339307 is a prime.

It is a super-2 number, since 2×234340331² = 109830781466379122, which contains 22 as substring.

Together with 234340333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 234340297 and 234340306.

It is not a weakly prime, because it can be changed into another prime (234340333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117170165 + 117170166.

It is an arithmetic number, because the mean of its divisors is an integer number (117170166).

Almost surely, 2^234340331 is an apocalyptic number.

234340331 is a deficient number, since it is larger than the sum of its proper divisors (1).

234340331 is an equidigital number, since it uses as much as digits as its factorization.

234340331 is an odious number, because the sum of its binary digits is odd.

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

The square root of 234340331 is about 15308.1785657210. The cubic root of 234340331 is about 616.5226166902.

Adding to 234340331 its reverse (133043432), we get a palindrome (367383763).

The spelling of 234340331 in words is "two hundred thirty-four million, three hundred forty thousand, three hundred thirty-one".