631203712 has 128 divisors (see below), whose sum is σ = 1388016000. Its totient is φ = 284903424.

The previous prime is 631203709. The next prime is 631203773. The reversal of 631203712 is 217302136.

631203712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7604823 + ... + 7604905.

It is an arithmetic number, because the mean of its divisors is an integer number (10843875).

Almost surely, 2^631203712 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 631203712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694008000).

631203712 is an abundant number, since it is smaller than the sum of its proper divisors (756812288).

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

631203712 is a wasteful number, since it uses less digits than its factorization.

631203712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 631203712 is about 25123.7678702857. The cubic root of 631203712 is about 857.8075178185.

Adding to 631203712 its reverse (217302136), we get a palindrome (848505848).

The spelling of 631203712 in words is "six hundred thirty-one million, two hundred three thousand, seven hundred twelve".