101085913 has 4 divisors (see below), whose sum is σ = 101219508. Its totient is φ = 100952320.

The previous prime is 101085899. The next prime is 101085937. The reversal of 101085913 is 319580101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 444889 + 100641024 = 667^2 + 10032^2 .

It is a cyclic number.

It is not a de Polignac number, because 101085913 - 2¹³ = 101077721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101085013) 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, 65656 + ... + 67177.

It is an arithmetic number, because the mean of its divisors is an integer number (25304877).

Almost surely, 2^101085913 is an apocalyptic number.

It is an amenable number.

101085913 is a deficient number, since it is larger than the sum of its proper divisors (133595).

101085913 is an equidigital number, since it uses as much as digits as its factorization.

101085913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133594.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 101085913 is about 10054.1490440514. The cubic root of 101085913 is about 465.8329587894.

The spelling of 101085913 in words is "one hundred one million, eighty-five thousand, nine hundred thirteen".