113831031317 has 8 divisors (see below), whose sum is σ = 114185651736. Its totient is φ = 113476511232.

The previous prime is 113831031311. The next prime is 113831031389. The reversal of 113831031317 is 713130138311.

It can be written as a sum of positive squares in 4 ways, for example, as 34256827396 + 79574203921 = 185086^2 + 282089^2 .

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 113831031317 - 2⁶ = 113831031253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113831031311) 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, 2706473 + ... + 2748209.

It is an arithmetic number, because the mean of its divisors is an integer number (14273206467).

Almost surely, 2^113831031317 is an apocalyptic number.

It is an amenable number.

113831031317 is a deficient number, since it is larger than the sum of its proper divisors (354620419).

113831031317 is an equidigital number, since it uses as much as digits as its factorization.

113831031317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50167.

The product of its (nonzero) digits is 4536, while the sum is 32.

Adding to 113831031317 its reverse (713130138311), we get a palindrome (826961169628).

The spelling of 113831031317 in words is "one hundred thirteen billion, eight hundred thirty-one million, thirty-one thousand, three hundred seventeen".