4006242431 has 2 divisors, whose sum is σ = 4006242432. Its totient is φ = 4006242430.

The previous prime is 4006242407. The next prime is 4006242481. The reversal of 4006242431 is 1342426004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4006242431 - 2¹⁴ = 4006226047 is a prime.

It is a super-2 number, since 2×4006242431² = 32099956831889579522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4006242431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4006242481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003121215 + 2003121216.

It is an arithmetic number, because the mean of its divisors is an integer number (2003121216).

Almost surely, 2^4006242431 is an apocalyptic number.

4006242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006242431 is an equidigital number, since it uses as much as digits as its factorization.

4006242431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4006242431 is about 63294.8847143274. The cubic root of 4006242431 is about 1588.2263929005.

Adding to 4006242431 its reverse (1342426004), we get a palindrome (5348668435).

The spelling of 4006242431 in words is "four billion, six million, two hundred forty-two thousand, four hundred thirty-one".