231312210201 has 6 divisors (see below), whose sum is σ = 334117636970. Its totient is φ = 154208140128.

The previous prime is 231312210167. The next prime is 231312210229. The reversal of 231312210201 is 102012213132.

231312210201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 223270425225 + 8041784976 = 472515^2 + 89676^2 .

It is not a de Polignac number, because 231312210201 - 2¹⁴ = 231312193817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231312210271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12850678336 + ... + 12850678353.

Almost surely, 2^231312210201 is an apocalyptic number.

It is an amenable number.

231312210201 is a deficient number, since it is larger than the sum of its proper divisors (102805426769).

231312210201 is a wasteful number, since it uses less digits than its factorization.

231312210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25701356695 (or 25701356692 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 231312210201 its reverse (102012213132), we get a palindrome (333324423333).

The spelling of 231312210201 in words is "two hundred thirty-one billion, three hundred twelve million, two hundred ten thousand, two hundred one".