631326382 has 8 divisors (see below), whose sum is σ = 1002694896. Its totient is φ = 297094752.

The previous prime is 631326341. The next prime is 631326389. The reversal of 631326382 is 283623136.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 18568423 = 631326382 / (6 + 3 + 1 + 3 + 2 + 6 + 3 + 8 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631326389) 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, 9284178 + ... + 9284245.

It is an arithmetic number, because the mean of its divisors is an integer number (125336862).

Almost surely, 2^631326382 is an apocalyptic number.

631326382 is a deficient number, since it is larger than the sum of its proper divisors (371368514).

631326382 is a wasteful number, since it uses less digits than its factorization.

631326382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18568442.

The product of its digits is 31104, while the sum is 34.

The square root of 631326382 is about 25126.2090654360. The cubic root of 631326382 is about 857.8630838374.

The spelling of 631326382 in words is "six hundred thirty-one million, three hundred twenty-six thousand, three hundred eighty-two".