2142312427 has 2 divisors, whose sum is σ = 2142312428. Its totient is φ = 2142312426.

The previous prime is 2142312407. The next prime is 2142312439. The reversal of 2142312427 is 7242132412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2142312427 - 2²³ = 2133923819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142312395 and 2142312404.

It is not a weakly prime, because it can be changed into another prime (2142312407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071156213 + 1071156214.

It is an arithmetic number, because the mean of its divisors is an integer number (1071156214).

Almost surely, 2^2142312427 is an apocalyptic number.

2142312427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2142312427 is an equidigital number, since it uses as much as digits as its factorization.

2142312427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 2142312427 is about 46285.1210109685. The cubic root of 2142312427 is about 1289.1227388925.

Adding to 2142312427 its reverse (7242132412), we get a palindrome (9384444839).

The spelling of 2142312427 in words is "two billion, one hundred forty-two million, three hundred twelve thousand, four hundred twenty-seven".