4031423431 has 4 divisors (see below), whose sum is σ = 4607341072. Its totient is φ = 3455505792.

The previous prime is 4031423423. The next prime is 4031423453. The reversal of 4031423431 is 1343241304.

4031423431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4031423431 - 2³ = 4031423423 is a prime.

It is a super-2 number, since 2×4031423431² = 32504749760031623522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4031423396 and 4031423405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031423471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287958810 + ... + 287958823.

It is an arithmetic number, because the mean of its divisors is an integer number (1151835268).

Almost surely, 2^4031423431 is an apocalyptic number.

4031423431 is a deficient number, since it is larger than the sum of its proper divisors (575917641).

4031423431 is an equidigital number, since it uses as much as digits as its factorization.

4031423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575917640.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 4031423431 is about 63493.4912491036. The cubic root of 4031423431 is about 1591.5470131057.

Adding to 4031423431 its reverse (1343241304), we get a palindrome (5374664735).

The spelling of 4031423431 in words is "four billion, thirty-one million, four hundred twenty-three thousand, four hundred thirty-one".