631671033 has 16 divisors (see below), whose sum is σ = 966214656. Its totient is φ = 359579280.

The previous prime is 631670957. The next prime is 631671041. The reversal of 631671033 is 330176136.

631671033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 631671033 - 2⁹ = 631670521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631671083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51663 + ... + 62708.

It is an arithmetic number, because the mean of its divisors is an integer number (60388416).

Almost surely, 2^631671033 is an apocalyptic number.

It is an amenable number.

631671033 is a deficient number, since it is larger than the sum of its proper divisors (334543623).

631671033 is a wasteful number, since it uses less digits than its factorization.

631671033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114644.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 631671033 is about 25133.0665259932. The cubic root of 631671033 is about 858.0191624216.

The spelling of 631671033 in words is "six hundred thirty-one million, six hundred seventy-one thousand, thirty-three".