231201333212263 has 2 divisors, whose sum is σ = 231201333212264. Its totient is φ = 231201333212262.

The previous prime is 231201333212221. The next prime is 231201333212303. The reversal of 231201333212263 is 362212333102132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231201333212263 - 2⁴¹ = 229002309956711 is a prime.

It is a super-2 number, since 2×231201333212263² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231201336212263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115600666606131 + 115600666606132.

It is an arithmetic number, because the mean of its divisors is an integer number (115600666606132).

Almost surely, 2^{231201333212263} is an apocalyptic number.

231201333212263 is a deficient number, since it is larger than the sum of its proper divisors (1).

231201333212263 is an equidigital number, since it uses as much as digits as its factorization.

231201333212263 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

Adding to 231201333212263 its reverse (362212333102132), we get a palindrome (593413666314395).

The spelling of 231201333212263 in words is "two hundred thirty-one trillion, two hundred one billion, three hundred thirty-three million, two hundred twelve thousand, two hundred sixty-three".