231313313201 has 2 divisors, whose sum is σ = 231313313202. Its totient is φ = 231313313200.

The previous prime is 231313313191. The next prime is 231313313243. The reversal of 231313313201 is 102313313132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185709283600 + 45604029601 = 430940^2 + 213551^2 .

It is a cyclic number.

It is not a de Polignac number, because 231313313201 - 2⁶ = 231313313137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (231313313281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656656600 + 115656656601.

It is an arithmetic number, because the mean of its divisors is an integer number (115656656601).

Almost surely, 2^231313313201 is an apocalyptic number.

It is an amenable number.

231313313201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231313313201 is an equidigital number, since it uses as much as digits as its factorization.

231313313201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231313313201 its reverse (102313313132), we get a palindrome (333626626333).

The spelling of 231313313201 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred thirteen thousand, two hundred one".