2013113101 has 4 divisors (see below), whose sum is σ = 2013725152. Its totient is φ = 2012501052.

The previous prime is 2013113093. The next prime is 2013113107. The reversal of 2013113101 is 1013113102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1013113102 = 2 ⋅506556551.

It is a cyclic number.

It is not a de Polignac number, because 2013113101 - 2³ = 2013113093 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 (2013113107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301065 + ... + 307678.

It is an arithmetic number, because the mean of its divisors is an integer number (503431288).

Almost surely, 2^2013113101 is an apocalyptic number.

It is an amenable number.

2013113101 is a deficient number, since it is larger than the sum of its proper divisors (612051).

2013113101 is an equidigital number, since it uses as much as digits as its factorization.

2013113101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612050.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 2013113101 is about 44867.7289485439. The cubic root of 2013113101 is about 1262.6686323909.

Adding to 2013113101 its reverse (1013113102), we get a palindrome (3026226203).

Subtracting from 2013113101 its reverse (1013113102), we obtain a palindrome (999999999).

The spelling of 2013113101 in words is "two billion, thirteen million, one hundred thirteen thousand, one hundred one".