631002 has 8 divisors (see below), whose sum is σ = 1262016. Its totient is φ = 210332.

The previous prime is 630997. The next prime is 631003. The reversal of 631002 is 200136.

631002 is nontrivially palindromic in base 15.

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

631002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (631003) by changing a digit.

631002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52578 + ... + 52589.

It is an arithmetic number, because the mean of its divisors is an integer number (157752).

2⁶³¹⁰⁰² is an apocalyptic number.

631002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631002 is a wasteful number, since it uses less digits than its factorization.

631002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105172.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 631002 is about 794.3563432113. The cubic root of 631002 is about 85.7716132369.

Adding to 631002 its reverse (200136), we get a palindrome (831138).

The spelling of 631002 in words is "six hundred thirty-one thousand, two".