113100100213 has 4 divisors (see below), whose sum is σ = 113198193388. Its totient is φ = 113002007040.

The previous prime is 113100100177. The next prime is 113100100219. The reversal of 113100100213 is 312001001311.

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 44410504644 + 68689595569 = 210738^2 + 262087^2 .

It is a cyclic number.

It is not a de Polignac number, because 113100100213 - 2³³ = 104510165621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113100100193 and 113100100202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113100100219) 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, 49044858 + ... + 49047163.

It is an arithmetic number, because the mean of its divisors is an integer number (28299548347).

Almost surely, 2^113100100213 is an apocalyptic number.

It is an amenable number.

113100100213 is a deficient number, since it is larger than the sum of its proper divisors (98093175).

113100100213 is an equidigital number, since it uses as much as digits as its factorization.

113100100213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98093174.

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

Adding to 113100100213 its reverse (312001001311), we get a palindrome (425101101524).

The spelling of 113100100213 in words is "one hundred thirteen billion, one hundred million, one hundred thousand, two hundred thirteen".