4031442431 has 2 divisors, whose sum is σ = 4031442432. Its totient is φ = 4031442430.

The previous prime is 4031442379. The next prime is 4031442433. The reversal of 4031442431 is 1342441304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4031442431 - 2⁶ = 4031442367 is a prime.

It is a super-2 number, since 2×4031442431² = 32505056148934379522, which contains 22 as substring.

Together with 4031442433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4031442431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4031442433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2015721215 + 2015721216.

It is an arithmetic number, because the mean of its divisors is an integer number (2015721216).

Almost surely, 2^4031442431 is an apocalyptic number.

4031442431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4031442431 is an equidigital number, since it uses as much as digits as its factorization.

4031442431 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4031442431 is about 63493.6408705628. The cubic root of 4031442431 is about 1591.5495134091.

Adding to 4031442431 its reverse (1342441304), we get a palindrome (5373883735).

The spelling of 4031442431 in words is "four billion, thirty-one million, four hundred forty-two thousand, four hundred thirty-one".