31631444484 has 48 divisors (see below), whose sum is σ = 76117966848. Its totient is φ = 10217497248.

The previous prime is 31631444483. The next prime is 31631444557. The reversal of 31631444484 is 48444413613.

It is not an unprimeable number, because it can be changed into a prime (31631444483) 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, 175812 + ... + 306875.

It is an arithmetic number, because the mean of its divisors is an integer number (1585790976).

Almost surely, 2^31631444484 is an apocalyptic number.

It is an amenable number.

31631444484 is an abundant number, since it is smaller than the sum of its proper divisors (44486522364).

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

31631444484 is a wasteful number, since it uses less digits than its factorization.

31631444484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482864 (or 482862 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The spelling of 31631444484 in words is "thirty-one billion, six hundred thirty-one million, four hundred forty-four thousand, four hundred eighty-four".