631941316 has 6 divisors (see below), whose sum is σ = 1105897310. Its totient is φ = 315970656.

The previous prime is 631941281. The next prime is 631941319. The reversal of 631941316 is 613149136.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 529000000 + 102941316 = 23000^2 + 10146^2 .

It is not an unprimeable number, because it can be changed into a prime (631941319) by changing a digit.

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 as a sum of consecutive naturals, namely, 78992661 + ... + 78992668.

Almost surely, 2^631941316 is an apocalyptic number.

It is an amenable number.

631941316 is a deficient number, since it is larger than the sum of its proper divisors (473955994).

631941316 is a wasteful number, since it uses less digits than its factorization.

631941316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157985333 (or 157985331 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 631941316 is about 25138.4429907662. The cubic root of 631941316 is about 858.1415230135.

The spelling of 631941316 in words is "six hundred thirty-one million, nine hundred forty-one thousand, three hundred sixteen".