31422448448 has 56 divisors (see below), whose sum is σ = 64214044800. Its totient is φ = 15249282048.

The previous prime is 31422448429. The next prime is 31422448459. The reversal of 31422448448 is 84484422413.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 31422448399 and 31422448408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245636 + ... + 350972.

Almost surely, 2^31422448448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31422448448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32107022400).

31422448448 is an abundant number, since it is smaller than the sum of its proper divisors (32791596352).

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

31422448448 is a wasteful number, since it uses less digits than its factorization.

31422448448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105487 (or 105477 counting only the distinct ones).

The product of its digits is 786432, while the sum is 44.

The spelling of 31422448448 in words is "thirty-one billion, four hundred twenty-two million, four hundred forty-eight thousand, four hundred forty-eight".