31859044422 has 8 divisors (see below), whose sum is σ = 63718088856. Its totient is φ = 10619681472.

The previous prime is 31859044421. The next prime is 31859044457. The reversal of 31859044422 is 22444095813.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

31859044422 is an admirable number.

It is a super-2 number, since 2×31859044422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31859044421) 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, 2654920363 + ... + 2654920374.

It is an arithmetic number, because the mean of its divisors is an integer number (7964761107).

Almost surely, 2^31859044422 is an apocalyptic number.

31859044422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31859044422 is a wasteful number, since it uses less digits than its factorization.

31859044422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309840742.

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 31859044422 in words is "thirty-one billion, eight hundred fifty-nine million, forty-four thousand, four hundred twenty-two".