631132 has 12 divisors (see below), whose sum is σ = 1118376. Its totient is φ = 311600.

The previous prime is 631121. The next prime is 631133. The reversal of 631132 is 231136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631133) by changing a digit.

631132 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, 619 + ... + 1282.

It is an arithmetic number, because the mean of its divisors is an integer number (93198).

2⁶³¹¹³² is an apocalyptic number.

It is an amenable number.

631132 is a deficient number, since it is larger than the sum of its proper divisors (487244).

631132 is a wasteful number, since it uses less digits than its factorization.

631132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1986 counting only the distinct ones).

The product of its digits is 108, while the sum is 16.

The square root of 631132 is about 794.4381662534. The cubic root of 631132 is about 85.7775030989. Note that the first 3 decimals are identical.

Adding to 631132 its reverse (231136), we get a palindrome (862268).

The spelling of 631132 in words is "six hundred thirty-one thousand, one hundred thirty-two".