231317090201 has 2 divisors, whose sum is σ = 231317090202. Its totient is φ = 231317090200.

The previous prime is 231317090183. The next prime is 231317090219. The reversal of 231317090201 is 102090713132.

It is a balanced prime because it is at equal distance from previous prime (231317090183) and next prime (231317090219).

It can be written as a sum of positive squares in only one way, i.e., 191122854976 + 40194235225 = 437176^2 + 200485^2 .

It is a cyclic number.

It is not a de Polignac number, because 231317090201 - 2²² = 231312895897 is a prime.

It is not a weakly prime, because it can be changed into another prime (231317093201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115658545100 + 115658545101.

It is an arithmetic number, because the mean of its divisors is an integer number (115658545101).

Almost surely, 2^231317090201 is an apocalyptic number.

It is an amenable number.

231317090201 is a deficient number, since it is larger than the sum of its proper divisors (1).

231317090201 is an equidigital number, since it uses as much as digits as its factorization.

231317090201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 29.

The spelling of 231317090201 in words is "two hundred thirty-one billion, three hundred seventeen million, ninety thousand, two hundred one".