117310242 has 16 divisors (see below), whose sum is σ = 268137792. Its totient is φ = 33517200.

The previous prime is 117310229. The next prime is 117310267. The reversal of 117310242 is 242013711.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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, 1396509 + ... + 1396592.

It is an arithmetic number, because the mean of its divisors is an integer number (16758612).

Almost surely, 2^117310242 is an apocalyptic number.

117310242 is an abundant number, since it is smaller than the sum of its proper divisors (150827550).

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

117310242 is a wasteful number, since it uses less digits than its factorization.

117310242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2793113.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 117310242 is about 10830.9852737413. The cubic root of 117310242 is about 489.5292466187.

Adding to 117310242 its reverse (242013711), we get a palindrome (359323953).

The spelling of 117310242 in words is "one hundred seventeen million, three hundred ten thousand, two hundred forty-two".