631394673230 has 8 divisors (see below), whose sum is σ = 1136510411832. Its totient is φ = 252557869288.

The previous prime is 631394673209. The next prime is 631394673241. The reversal of 631394673230 is 32376493136.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31569733652 + ... + 31569733671.

It is an arithmetic number, because the mean of its divisors is an integer number (142063801479).

Almost surely, 2^631394673230 is an apocalyptic number.

631394673230 is a deficient number, since it is larger than the sum of its proper divisors (505115738602).

631394673230 is a wasteful number, since it uses less digits than its factorization.

631394673230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63139467330.

The product of its (nonzero) digits is 1469664, while the sum is 47.

The spelling of 631394673230 in words is "six hundred thirty-one billion, three hundred ninety-four million, six hundred seventy-three thousand, two hundred thirty".