631447352 has 16 divisors (see below), whose sum is σ = 1187093400. Its totient is φ = 314889120.

The previous prime is 631447343. The next prime is 631447357. The reversal of 631447352 is 253744136.

631447352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631447357) 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, 101099 + ... + 107162.

Almost surely, 2^631447352 is an apocalyptic number.

It is an amenable number.

631447352 is a deficient number, since it is larger than the sum of its proper divisors (555646048).

631447352 is a wasteful number, since it uses less digits than its factorization.

631447352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208646 (or 208642 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 631447352 is about 25128.6161974749. The cubic root of 631447352 is about 857.9178727563.

The spelling of 631447352 in words is "six hundred thirty-one million, four hundred forty-seven thousand, three hundred fifty-two".