4002142142431 has 2 divisors, whose sum is σ = 4002142142432. Its totient is φ = 4002142142430.

The previous prime is 4002142142381. The next prime is 4002142142437. The reversal of 4002142142431 is 1342412412004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4002142142431 - 2¹⁹ = 4002141618143 is a prime.

It is a super-2 number, since 2×4002142142431² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4002142142431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002142142437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001071071215 + 2001071071216.

It is an arithmetic number, because the mean of its divisors is an integer number (2001071071216).

Almost surely, 2^{4002142142431} is an apocalyptic number.

4002142142431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002142142431 is an equidigital number, since it uses as much as digits as its factorization.

4002142142431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 4002142142431 its reverse (1342412412004), we get a palindrome (5344554554435).

The spelling of 4002142142431 in words is "four trillion, two billion, one hundred forty-two million, one hundred forty-two thousand, four hundred thirty-one".