2231343239 has 2 divisors, whose sum is σ = 2231343240. Its totient is φ = 2231343238.

The previous prime is 2231343193. The next prime is 2231343241. The reversal of 2231343239 is 9323431322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231343239 - 2²⁰ = 2230294663 is a prime.

It is a super-3 number, since 3×2231343239³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 2231343241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231343739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115671619 + 1115671620.

It is an arithmetic number, because the mean of its divisors is an integer number (1115671620).

Almost surely, 2^2231343239 is an apocalyptic number.

2231343239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231343239 is an equidigital number, since it uses as much as digits as its factorization.

2231343239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 32.

The square root of 2231343239 is about 47237.0960051526. The cubic root of 2231343239 is about 1306.7388219459.

The spelling of 2231343239 in words is "two billion, two hundred thirty-one million, three hundred forty-three thousand, two hundred thirty-nine".