631119994 has 8 divisors (see below), whose sum is σ = 960013728. Its totient is φ = 311115420.

The previous prime is 631119971. The next prime is 631119997. The reversal of 631119994 is 499911136.

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

It is a self number, because there is not a number n which added to its sum of digits gives 631119994.

It is not an unprimeable number, because it can be changed into a prime (631119997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222112 + ... + 2222395.

It is an arithmetic number, because the mean of its divisors is an integer number (120001716).

Almost surely, 2^631119994 is an apocalyptic number.

631119994 is a deficient number, since it is larger than the sum of its proper divisors (328893734).

631119994 is a wasteful number, since it uses less digits than its factorization.

631119994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444580.

The product of its digits is 52488, while the sum is 43.

The square root of 631119994 is about 25122.1017034801. The cubic root of 631119994 is about 857.7695918137.

The spelling of 631119994 in words is "six hundred thirty-one million, one hundred nineteen thousand, nine hundred ninety-four".