631108132 has 24 divisors (see below), whose sum is σ = 1172001600. Its totient is φ = 296715936.

The previous prime is 631108111. The next prime is 631108171. The reversal of 631108132 is 231801136.

631108132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 631108097 and 631108106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52707 + ... + 63562.

It is an arithmetic number, because the mean of its divisors is an integer number (48833400).

Almost surely, 2^631108132 is an apocalyptic number.

It is an amenable number.

631108132 is a deficient number, since it is larger than the sum of its proper divisors (540893468).

631108132 is a wasteful number, since it uses less digits than its factorization.

631108132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116355 (or 116353 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 631108132 is about 25121.8656154355. The cubic root of 631108132 is about 857.7642178084.

Adding to 631108132 its reverse (231801136), we get a palindrome (862909268).

The spelling of 631108132 in words is "six hundred thirty-one million, one hundred eight thousand, one hundred thirty-two".