2143142371 has 2 divisors, whose sum is σ = 2143142372. Its totient is φ = 2143142370.

The previous prime is 2143142359. The next prime is 2143142423. The reversal of 2143142371 is 1732413412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2143142371 - 2¹³ = 2143134179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143142471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071571185 + 1071571186.

It is an arithmetic number, because the mean of its divisors is an integer number (1071571186).

Almost surely, 2^2143142371 is an apocalyptic number.

2143142371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143142371 is an equidigital number, since it uses as much as digits as its factorization.

2143142371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 28.

The square root of 2143142371 is about 46294.0857021715. The cubic root of 2143142371 is about 1289.2891885565.

Adding to 2143142371 its reverse (1732413412), we get a palindrome (3875555783).

The spelling of 2143142371 in words is "two billion, one hundred forty-three million, one hundred forty-two thousand, three hundred seventy-one".