101911013 has 8 divisors (see below), whose sum is σ = 103573848. Its totient is φ = 100260864.

The previous prime is 101911001. The next prime is 101911021. The reversal of 101911013 is 310119101.

It can be written as a sum of positive squares in 4 ways, for example, as 57047809 + 44863204 = 7553^2 + 6698^2 .

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 101911013 - 2¹⁴ = 101894629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101910982 and 101911000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101911063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13745 + ... + 19817.

It is an arithmetic number, because the mean of its divisors is an integer number (12946731).

Almost surely, 2^101911013 is an apocalyptic number.

It is an amenable number.

101911013 is a deficient number, since it is larger than the sum of its proper divisors (1662835).

101911013 is an equidigital number, since it uses as much as digits as its factorization.

101911013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6343.

The product of its (nonzero) digits is 27, while the sum is 17.

The square root of 101911013 is about 10095.0984641062. The cubic root of 101911013 is about 467.0969586244.

The spelling of 101911013 in words is "one hundred one million, nine hundred eleven thousand, thirteen".