231234319 has 2 divisors, whose sum is σ = 231234320. Its totient is φ = 231234318.

The previous prime is 231234317. The next prime is 231234329. The reversal of 231234319 is 913432132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231234319 - 2¹ = 231234317 is a prime.

It is a super-2 number, since 2×231234319² = 106938620566787522, which contains 22 as substring.

Together with 231234317, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231234317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115617159 + 115617160.

It is an arithmetic number, because the mean of its divisors is an integer number (115617160).

Almost surely, 2^231234319 is an apocalyptic number.

231234319 is a deficient number, since it is larger than the sum of its proper divisors (1).

231234319 is an equidigital number, since it uses as much as digits as its factorization.

231234319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 231234319 is about 15206.3907289008. The cubic root of 231234319 is about 613.7866389002.

The spelling of 231234319 in words is "two hundred thirty-one million, two hundred thirty-four thousand, three hundred nineteen".