213148081271 has 2 divisors, whose sum is σ = 213148081272. Its totient is φ = 213148081270.

The previous prime is 213148081253. The next prime is 213148081291. The reversal of 213148081271 is 172180841312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213148081271 - 2⁶ = 213148081207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213148081291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106574040635 + 106574040636.

It is an arithmetic number, because the mean of its divisors is an integer number (106574040636).

Almost surely, 2^213148081271 is an apocalyptic number.

213148081271 is a deficient number, since it is larger than the sum of its proper divisors (1).

213148081271 is an equidigital number, since it uses as much as digits as its factorization.

213148081271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 213148081271 in words is "two hundred thirteen billion, one hundred forty-eight million, eighty-one thousand, two hundred seventy-one".