631319448 has 32 divisors (see below), whose sum is σ = 1583296560. Its totient is φ = 209773440.

The previous prime is 631319417. The next prime is 631319459. The reversal of 631319448 is 844913136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33883 + ... + 49098.

Almost surely, 2^631319448 is an apocalyptic number.

It is an amenable number.

631319448 is an abundant number, since it is smaller than the sum of its proper divisors (951977112).

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

631319448 is a wasteful number, since it uses less digits than its factorization.

631319448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83307 (or 83303 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 631319448 is about 25126.0710816474. The cubic root of 631319448 is about 857.8599431247.

The spelling of 631319448 in words is "six hundred thirty-one million, three hundred nineteen thousand, four hundred forty-eight".