2143142471 has 2 divisors, whose sum is σ = 2143142472. Its totient is φ = 2143142470.

The previous prime is 2143142423. The next prime is 2143142479. The reversal of 2143142471 is 1742413412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143142471 - 2¹⁰ = 2143141447 is a prime.

It is a super-3 number, since 3×2143142471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143142479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071571235 + 1071571236.

It is an arithmetic number, because the mean of its divisors is an integer number (1071571236).

Almost surely, 2^2143142471 is an apocalyptic number.

2143142471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143142471 is an equidigital number, since it uses as much as digits as its factorization.

2143142471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 2143142471 is about 46294.0867822231. The cubic root of 2143142471 is about 1289.2892086094.

Adding to 2143142471 its reverse (1742413412), we get a palindrome (3885555883).

The spelling of 2143142471 in words is "two billion, one hundred forty-three million, one hundred forty-two thousand, four hundred seventy-one".