117331443 has 8 divisors (see below), whose sum is σ = 173824400. Its totient is φ = 78220944.

The previous prime is 117331439. The next prime is 117331481. The reversal of 117331443 is 344133711.

It is not a de Polignac number, because 117331443 - 2² = 117331439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4345609 = 117331443 / (1 + 1 + 7 + 3 + 3 + 1 + 4 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117331483) 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 7 ways as a sum of consecutive naturals, for example, 2172778 + ... + 2172831.

It is an arithmetic number, because the mean of its divisors is an integer number (21728050).

Almost surely, 2^117331443 is an apocalyptic number.

117331443 is a deficient number, since it is larger than the sum of its proper divisors (56492957).

117331443 is an equidigital number, since it uses as much as digits as its factorization.

117331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345618 (or 4345612 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 117331443 is about 10831.9639493492. The cubic root of 117331443 is about 489.5587350482.

The spelling of 117331443 in words is "one hundred seventeen million, three hundred thirty-one thousand, four hundred forty-three".