2143143213271 has 4 divisors (see below), whose sum is σ = 2212276865344. Its totient is φ = 2074009561200.

The previous prime is 2143143213269. The next prime is 2143143213283. The reversal of 2143143213271 is 1723123413412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2143143213271 - 2¹ = 2143143213269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143143213221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34566825990 + ... + 34566826051.

It is an arithmetic number, because the mean of its divisors is an integer number (553069216336).

Almost surely, 2^{2143143213271} is an apocalyptic number.

2143143213271 is a deficient number, since it is larger than the sum of its proper divisors (69133652073).

2143143213271 is an equidigital number, since it uses as much as digits as its factorization.

2143143213271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69133652072.

The product of its digits is 24192, while the sum is 34.

Adding to 2143143213271 its reverse (1723123413412), we get a palindrome (3866266626683).

The spelling of 2143143213271 in words is "two trillion, one hundred forty-three billion, one hundred forty-three million, two hundred thirteen thousand, two hundred seventy-one".