213232109171 has 2 divisors, whose sum is σ = 213232109172. Its totient is φ = 213232109170.

The previous prime is 213232109099. The next prime is 213232109203. The reversal of 213232109171 is 171901232312.

It is an a-pointer prime, because the next prime (213232109203) can be obtained adding 213232109171 to its sum of digits (32).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213232109171 - 2³⁰ = 212158367347 is a prime.

It is not a weakly prime, because it can be changed into another prime (213232109071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106616054585 + 106616054586.

It is an arithmetic number, because the mean of its divisors is an integer number (106616054586).

Almost surely, 2^213232109171 is an apocalyptic number.

213232109171 is a deficient number, since it is larger than the sum of its proper divisors (1).

213232109171 is an equidigital number, since it uses as much as digits as its factorization.

213232109171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 213232109171 in words is "two hundred thirteen billion, two hundred thirty-two million, one hundred nine thousand, one hundred seventy-one".