113331312217 has 8 divisors (see below), whose sum is σ = 114927133824. Its totient is φ = 111736662048.

The previous prime is 113331312203. The next prime is 113331312223. The reversal of 113331312217 is 712213133311.

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 113331312217 - 2⁷ = 113331312089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113331312287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97093 + ... + 485890.

It is an arithmetic number, because the mean of its divisors is an integer number (14365891728).

Almost surely, 2^113331312217 is an apocalyptic number.

It is an amenable number.

113331312217 is a deficient number, since it is larger than the sum of its proper divisors (1595821607).

113331312217 is an equidigital number, since it uses as much as digits as its factorization.

113331312217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585719.

The product of its digits is 2268, while the sum is 28.

Adding to 113331312217 its reverse (712213133311), we get a palindrome (825544445528).

The spelling of 113331312217 in words is "one hundred thirteen billion, three hundred thirty-one million, three hundred twelve thousand, two hundred seventeen".