231716903330399 has 2 divisors, whose sum is σ = 231716903330400. Its totient is φ = 231716903330398.

The previous prime is 231716903330287. The next prime is 231716903330431. The reversal of 231716903330399 is 993033309617132.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231716903330399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231716903332399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115858451665199 + 115858451665200.

It is an arithmetic number, because the mean of its divisors is an integer number (115858451665200).

Almost surely, 2^{231716903330399} is an apocalyptic number.

231716903330399 is a deficient number, since it is larger than the sum of its proper divisors (1).

231716903330399 is an equidigital number, since it uses as much as digits as its factorization.

231716903330399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14880348, while the sum is 59.

The spelling of 231716903330399 in words is "two hundred thirty-one trillion, seven hundred sixteen billion, nine hundred three million, three hundred thirty thousand, three hundred ninety-nine".