101115313 has 4 divisors (see below), whose sum is σ = 108893428. Its totient is φ = 93337200.

The previous prime is 101115299. The next prime is 101115341. The reversal of 101115313 is 313511101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313511101 = 37 ⋅8473273.

It can be written as a sum of positive squares in 2 ways, for example, as 25633969 + 75481344 = 5063^2 + 8688^2 .

It is a cyclic number.

It is not a de Polignac number, because 101115313 - 2⁵ = 101115281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101115353) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3889038 + ... + 3889063.

It is an arithmetic number, because the mean of its divisors is an integer number (27223357).

Almost surely, 2^101115313 is an apocalyptic number.

101115313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

101115313 is a deficient number, since it is larger than the sum of its proper divisors (7778115).

101115313 is an equidigital number, since it uses as much as digits as its factorization.

101115313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7778114.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 101115313 is about 10055.6110207187. The cubic root of 101115313 is about 465.8781156302.

Adding to 101115313 its reverse (313511101), we get a palindrome (414626414).

The spelling of 101115313 in words is "one hundred one million, one hundred fifteen thousand, three hundred thirteen".