117131931132 has 96 divisors (see below), whose sum is σ = 299535667200. Its totient is φ = 35459730432.

The previous prime is 117131931127. The next prime is 117131931151. The reversal of 117131931132 is 231139131711.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 117131931093 and 117131931102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12673369 + ... + 12682607.

It is an arithmetic number, because the mean of its divisors is an integer number (3120163200).

Almost surely, 2^117131931132 is an apocalyptic number.

117131931132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117131931132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149767833600).

117131931132 is an abundant number, since it is smaller than the sum of its proper divisors (182403736068).

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

117131931132 is a wasteful number, since it uses less digits than its factorization.

117131931132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435 (or 11433 counting only the distinct ones).

The product of its digits is 3402, while the sum is 33.

The spelling of 117131931132 in words is "one hundred seventeen billion, one hundred thirty-one million, nine hundred thirty-one thousand, one hundred thirty-two".