231230203133201 has 2 divisors, whose sum is σ = 231230203133202. Its totient is φ = 231230203133200.

The previous prime is 231230203133191. The next prime is 231230203133233. The reversal of 231230203133201 is 102331302032132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 153111545130625 + 78118658002576 = 12373825^2 + 8838476^2 .

It is a cyclic number.

It is not a de Polignac number, because 231230203133201 - 2⁴⁶ = 160861458955537 is a prime.

It is a super-4 number, since 4×231230203133201⁴ (a number of 59 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (231230203133401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115615101566600 + 115615101566601.

It is an arithmetic number, because the mean of its divisors is an integer number (115615101566601).

Almost surely, 2^{231230203133201} is an apocalyptic number.

It is an amenable number.

231230203133201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231230203133201 is an equidigital number, since it uses as much as digits as its factorization.

231230203133201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 231230203133201 its reverse (102331302032132), we get a palindrome (333561505165333).

The spelling of 231230203133201 in words is "two hundred thirty-one trillion, two hundred thirty billion, two hundred three million, one hundred thirty-three thousand, two hundred one".