117131183 has 16 divisors (see below), whose sum is σ = 129677856. Its totient is φ = 105114240.

The previous prime is 117131171. The next prime is 117131213. The reversal of 117131183 is 381131711.

It is a cyclic number.

It is not a de Polignac number, because 117131183 - 2²⁰ = 116082607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117131123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176873 + ... + 177533.

It is an arithmetic number, because the mean of its divisors is an integer number (8104866).

Almost surely, 2^117131183 is an apocalyptic number.

117131183 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

117131183 is a deficient number, since it is larger than the sum of its proper divisors (12546673).

117131183 is a wasteful number, since it uses less digits than its factorization.

117131183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its digits is 504, while the sum is 26.

The square root of 117131183 is about 10822.7160639093. The cubic root of 117131183 is about 489.2800519716.

Adding to 117131183 its reverse (381131711), we get a palindrome (498262894).

The spelling of 117131183 in words is "one hundred seventeen million, one hundred thirty-one thousand, one hundred eighty-three".