117331715 has 4 divisors (see below), whose sum is σ = 140798064. Its totient is φ = 93865368.

The previous prime is 117331703. The next prime is 117331723. The reversal of 117331715 is 517133711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 517133711 = 12071 ⋅42841.

It is a cyclic number.

It is not a de Polignac number, because 117331715 - 2¹² = 117327619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11733167 + ... + 11733176.

It is an arithmetic number, because the mean of its divisors is an integer number (35199516).

Almost surely, 2^117331715 is an apocalyptic number.

117331715 is a deficient number, since it is larger than the sum of its proper divisors (23466349).

117331715 is an equidigital number, since it uses as much as digits as its factorization.

117331715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23466348.

The product of its digits is 2205, while the sum is 29.

The square root of 117331715 is about 10831.9765047751. The cubic root of 117331715 is about 489.5591133494.

The spelling of 117331715 in words is "one hundred seventeen million, three hundred thirty-one thousand, seven hundred fifteen".