2143242107 has 2 divisors, whose sum is σ = 2143242108. Its totient is φ = 2143242106.

The previous prime is 2143242007. The next prime is 2143242169. The reversal of 2143242107 is 7012423412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143242107 - 2⁸ = 2143241851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143242007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071621053 + 1071621054.

It is an arithmetic number, because the mean of its divisors is an integer number (1071621054).

Almost surely, 2^2143242107 is an apocalyptic number.

2143242107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143242107 is an equidigital number, since it uses as much as digits as its factorization.

2143242107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2143242107 is about 46295.1628898744. The cubic root of 2143242107 is about 1289.3091882469.

Adding to 2143242107 its reverse (7012423412), we get a palindrome (9155665519).

The spelling of 2143242107 in words is "two billion, one hundred forty-three million, two hundred forty-two thousand, one hundred seven".