201317826907 has 2 divisors, whose sum is σ = 201317826908. Its totient is φ = 201317826906.

The previous prime is 201317826889. The next prime is 201317826949. The reversal of 201317826907 is 709628713102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201317826907 - 2²³ = 201309438299 is a prime.

It is not a weakly prime, because it can be changed into another prime (201317826967) 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, 100658913453 + 100658913454.

It is an arithmetic number, because the mean of its divisors is an integer number (100658913454).

Almost surely, 2^201317826907 is an apocalyptic number.

201317826907 is a deficient number, since it is larger than the sum of its proper divisors (1).

201317826907 is an equidigital number, since it uses as much as digits as its factorization.

201317826907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 201317826907 in words is "two hundred one billion, three hundred seventeen million, eight hundred twenty-six thousand, nine hundred seven".