231313120201 has 4 divisors (see below), whose sum is σ = 231325369492. Its totient is φ = 231300870912.

The previous prime is 231313120183. The next prime is 231313120237. The reversal of 231313120201 is 102021313132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131697135801 + 99615984400 = 362901^2 + 315620^2 .

It is a cyclic number.

It is not a de Polignac number, because 231313120201 - 2¹⁵ = 231313087433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231313120501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6096276 + ... + 6134101.

It is an arithmetic number, because the mean of its divisors is an integer number (57831342373).

Almost surely, 2^231313120201 is an apocalyptic number.

It is an amenable number.

231313120201 is a deficient number, since it is larger than the sum of its proper divisors (12249291).

231313120201 is a wasteful number, since it uses less digits than its factorization.

231313120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249290.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231313120201 its reverse (102021313132), we get a palindrome (333334433333).

It can be divided in two parts, 2313131 and 20201, that added together give a palindrome (2333332).

The spelling of 231313120201 in words is "two hundred thirty-one billion, three hundred thirteen million, one hundred twenty thousand, two hundred one".