213214101173 has 2 divisors, whose sum is σ = 213214101174. Its totient is φ = 213214101172.

The previous prime is 213214101091. The next prime is 213214101271. The reversal of 213214101173 is 371101412312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159214566289 + 53999534884 = 399017^2 + 232378^2 .

It is a cyclic number.

It is not a de Polignac number, because 213214101173 - 2³² = 208919133877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213214107173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106607050586 + 106607050587.

It is an arithmetic number, because the mean of its divisors is an integer number (106607050587).

Almost surely, 2^213214101173 is an apocalyptic number.

It is an amenable number.

213214101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

213214101173 is an equidigital number, since it uses as much as digits as its factorization.

213214101173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 213214101173 its reverse (371101412312), we get a palindrome (584315513485).

The spelling of 213214101173 in words is "two hundred thirteen billion, two hundred fourteen million, one hundred one thousand, one hundred seventy-three".