113317509 has 8 divisors (see below), whose sum is σ = 151407360. Its totient is φ = 75386336.

The previous prime is 113317507. The next prime is 113317511. The reversal of 113317509 is 905713311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113317507) and next prime (113317511).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113317509 - 2¹ = 113317507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113317507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37992 + ... + 40865.

It is an arithmetic number, because the mean of its divisors is an integer number (18925920).

Almost surely, 2^113317509 is an apocalyptic number.

It is an amenable number.

113317509 is a deficient number, since it is larger than the sum of its proper divisors (38089851).

113317509 is an equidigital number, since it uses as much as digits as its factorization.

113317509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79339.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 113317509 is about 10645.0697038582. The cubic root of 113317509 is about 483.9111990740.

The spelling of 113317509 in words is "one hundred thirteen million, three hundred seventeen thousand, five hundred nine".