231323230201 has 6 divisors (see below), whose sum is σ = 269090288250. Its totient is φ = 198277054416.

The previous prime is 231323230199. The next prime is 231323230223. The reversal of 231323230201 is 102032323132.

It can be written as a sum of positive squares in only one way, i.e., 231311940601 + 11289600 = 480949^2 + 3360^2 .

It is not a de Polignac number, because 231323230201 - 2¹ = 231323230199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231323230241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2360441076 + ... + 2360441173.

It is an arithmetic number, because the mean of its divisors is an integer number (44848381375).

Almost surely, 2^231323230201 is an apocalyptic number.

It is an amenable number.

231323230201 is a deficient number, since it is larger than the sum of its proper divisors (37767058049).

231323230201 is an equidigital number, since it uses as much as digits as its factorization.

231323230201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4720882263 (or 4720882256 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 231323230201 its reverse (102032323132), we get a palindrome (333355553333).

The spelling of 231323230201 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred thirty thousand, two hundred one".