117311712 has 48 divisors (see below), whose sum is σ = 351937152. Its totient is φ = 33517440.

The previous prime is 117311693. The next prime is 117311717. The reversal of 117311712 is 217113711.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117311717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86614 + ... + 87957.

It is an arithmetic number, because the mean of its divisors is an integer number (7332024).

Almost surely, 2^117311712 is an apocalyptic number.

117311712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117311712 is an abundant number, since it is smaller than the sum of its proper divisors (234625440).

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

117311712 is a wasteful number, since it uses less digits than its factorization.

117311712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174591 (or 174583 counting only the distinct ones).

The product of its digits is 294, while the sum is 24.

The square root of 117311712 is about 10831.0531343909. The cubic root of 117311712 is about 489.5312913535.

The spelling of 117311712 in words is "one hundred seventeen million, three hundred eleven thousand, seven hundred twelve".