17207072231 has 2 divisors, whose sum is σ = 17207072232. Its totient is φ = 17207072230.

The previous prime is 17207072227. The next prime is 17207072243. The reversal of 17207072231 is 13227070271.

It is a weak prime.

It is an emirp because it is prime and its reverse (13227070271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17207072231 - 2² = 17207072227 is a prime.

It is a super-2 number, since 2×17207072231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17207072221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8603536115 + 8603536116.

It is an arithmetic number, because the mean of its divisors is an integer number (8603536116).

Almost surely, 2^17207072231 is an apocalyptic number.

17207072231 is a deficient number, since it is larger than the sum of its proper divisors (1).

17207072231 is an equidigital number, since it uses as much as digits as its factorization.

17207072231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8232, while the sum is 32.

The spelling of 17207072231 in words is "seventeen billion, two hundred seven million, seventy-two thousand, two hundred thirty-one".