212331030271 has 2 divisors, whose sum is σ = 212331030272.
Its totient is φ = 212331030270.
The previous prime is 212331030211. The next prime is 212331030313. The reversal of 212331030271 is 172030133212.
Adding to 212331030271 its reverse (172030133212), we get a palindrome (384361163483).
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212331030271 - 215 = 212330997503 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212331030211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106165515135 + 106165515136.
It is an arithmetic number, because the mean of its divisors is an integer number (106165515136).
Almost surely, 2212331030271 is an apocalyptic number.
212331030271 is a deficient number, since it is larger than the sum of its proper divisors (1).
212331030271 is an equidigital number, since it uses as much as digits as its factorization.
212331030271 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1512, while the sum is 25.
The spelling of 212331030271 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, two hundred seventy-one".