201331300171 has 2 divisors, whose sum is σ = 201331300172. Its totient is φ = 201331300170.

The previous prime is 201331300117. The next prime is 201331300211. The reversal of 201331300171 is 171003133102.

Together with previous prime (201331300117) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201331300171 - 2¹⁹ = 201330775883 is a prime.

It is not a weakly prime, because it can be changed into another prime (201331306171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100665650085 + 100665650086.

It is an arithmetic number, because the mean of its divisors is an integer number (100665650086).

Almost surely, 2^201331300171 is an apocalyptic number.

201331300171 is a deficient number, since it is larger than the sum of its proper divisors (1).

201331300171 is an equidigital number, since it uses as much as digits as its factorization.

201331300171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 22.

Adding to 201331300171 its reverse (171003133102), we get a palindrome (372334433273).

The spelling of 201331300171 in words is "two hundred one billion, three hundred thirty-one million, three hundred thousand, one hundred seventy-one".