231331203202343 has 2 divisors, whose sum is σ = 231331203202344. Its totient is φ = 231331203202342.

The previous prime is 231331203202279. The next prime is 231331203202397. The reversal of 231331203202343 is 343202302133132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231331203202343 - 2⁶ = 231331203202279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231331203202243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665601601171 + 115665601601172.

It is an arithmetic number, because the mean of its divisors is an integer number (115665601601172).

Almost surely, 2^{231331203202343} is an apocalyptic number.

231331203202343 is a deficient number, since it is larger than the sum of its proper divisors (1).

231331203202343 is an equidigital number, since it uses as much as digits as its factorization.

231331203202343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 231331203202343 its reverse (343202302133132), we get a palindrome (574533505335475).

The spelling of 231331203202343 in words is "two hundred thirty-one trillion, three hundred thirty-one billion, two hundred three million, two hundred two thousand, three hundred forty-three".