631885880683013 has 8 divisors (see below), whose sum is σ = 719300923465536. Its totient is φ = 549465983202400.

The previous prime is 631885880682983. The next prime is 631885880683049. The reversal of 631885880683013 is 310386088588136.

It is a happy number.

631885880683013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 631885880683013 - 2³⁰ = 631884806941189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631885880683073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248786325208 + ... + 1248786325713.

It is an arithmetic number, because the mean of its divisors is an integer number (89912615433192).

Almost surely, 2^{631885880683013} is an apocalyptic number.

It is an amenable number.

631885880683013 is a deficient number, since it is larger than the sum of its proper divisors (87415042782523).

631885880683013 is a wasteful number, since it uses less digits than its factorization.

631885880683013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497572650955.

The product of its (nonzero) digits is 159252480, while the sum is 68.

The spelling of 631885880683013 in words is "six hundred thirty-one trillion, eight hundred eighty-five billion, eight hundred eighty million, six hundred eighty-three thousand, thirteen".