4031631422 has 32 divisors (see below), whose sum is σ = 7451738112. Its totient is φ = 1593061344.

The previous prime is 4031631397. The next prime is 4031631427. The reversal of 4031631422 is 2241361304.

4031631422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 4031631391 and 4031631400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031631427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148163 + ... + 173249.

It is an arithmetic number, because the mean of its divisors is an integer number (232866816).

Almost surely, 2^4031631422 is an apocalyptic number.

4031631422 is a deficient number, since it is larger than the sum of its proper divisors (3420106690).

4031631422 is a wasteful number, since it uses less digits than its factorization.

4031631422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25992.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 4031631422 is about 63495.1291202719. The cubic root of 4031631422 is about 1591.5743832366.

Adding to 4031631422 its reverse (2241361304), we get a palindrome (6272992726).

The spelling of 4031631422 in words is "four billion, thirty-one million, six hundred thirty-one thousand, four hundred twenty-two".