213117337180771 has 2 divisors, whose sum is σ = 213117337180772. Its totient is φ = 213117337180770.

The previous prime is 213117337180763. The next prime is 213117337180801. The reversal of 213117337180771 is 177081733711312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213117337180771 - 2³ = 213117337180763 is a prime.

It is not a weakly prime, because it can be changed into another prime (213117337180721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106558668590385 + 106558668590386.

It is an arithmetic number, because the mean of its divisors is an integer number (106558668590386).

Almost surely, 2^{213117337180771} is an apocalyptic number.

213117337180771 is a deficient number, since it is larger than the sum of its proper divisors (1).

213117337180771 is an equidigital number, since it uses as much as digits as its factorization.

213117337180771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1037232, while the sum is 52.

The spelling of 213117337180771 in words is "two hundred thirteen trillion, one hundred seventeen billion, three hundred thirty-seven million, one hundred eighty thousand, seven hundred seventy-one".