231134347 has 2 divisors, whose sum is σ = 231134348. Its totient is φ = 231134346.

The previous prime is 231134327. The next prime is 231134353. The reversal of 231134347 is 743431132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231134347 - 2¹¹ = 231132299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231134317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115567173 + 115567174.

It is an arithmetic number, because the mean of its divisors is an integer number (115567174).

Almost surely, 2^231134347 is an apocalyptic number.

231134347 is a deficient number, since it is larger than the sum of its proper divisors (1).

231134347 is an equidigital number, since it uses as much as digits as its factorization.

231134347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 28.

The square root of 231134347 is about 15203.1032029648. The cubic root of 231134347 is about 613.6981711743.

Adding to 231134347 its reverse (743431132), we get a palindrome (974565479).

The spelling of 231134347 in words is "two hundred thirty-one million, one hundred thirty-four thousand, three hundred forty-seven".