631703113 has 8 divisors (see below), whose sum is σ = 648418176. Its totient is φ = 615050400.

The previous prime is 631703087. The next prime is 631703167. The reversal of 631703113 is 311307136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 631703113 - 2²¹ = 629605961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631706113) 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 in 7 ways as a sum of consecutive naturals, for example, 5308 + ... + 35938.

It is an arithmetic number, because the mean of its divisors is an integer number (81052272).

Almost surely, 2^631703113 is an apocalyptic number.

It is an amenable number.

631703113 is a deficient number, since it is larger than the sum of its proper divisors (16715063).

631703113 is a wasteful number, since it uses less digits than its factorization.

631703113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31175.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 631703113 is about 25133.7047209519. The cubic root of 631703113 is about 858.0336872757.

The spelling of 631703113 in words is "six hundred thirty-one million, seven hundred three thousand, one hundred thirteen".