217260884132231 has 2 divisors, whose sum is σ = 217260884132232. Its totient is φ = 217260884132230.

The previous prime is 217260884132161. The next prime is 217260884132261. The reversal of 217260884132231 is 132231488062712.

217260884132231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-217260884132231 is a prime.

It is a super-2 number, since 2×217260884132231² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 217260884132231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (217260884132261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108630442066115 + 108630442066116.

It is an arithmetic number, because the mean of its divisors is an integer number (108630442066116).

Almost surely, 2^{217260884132231} is an apocalyptic number.

217260884132231 is a deficient number, since it is larger than the sum of its proper divisors (1).

217260884132231 is an equidigital number, since it uses as much as digits as its factorization.

217260884132231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 217260884132231 in words is "two hundred seventeen trillion, two hundred sixty billion, eight hundred eighty-four million, one hundred thirty-two thousand, two hundred thirty-one".