113013211133 has 4 divisors (see below), whose sum is σ = 119661047100. Its totient is φ = 106365375168.

The previous prime is 113013211121. The next prime is 113013211139. The reversal of 113013211133 is 331112310311.

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 72828197689 + 40185013444 = 269867^2 + 200462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113013211133 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 (113013211139) 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, 3323917958 + ... + 3323917991.

It is an arithmetic number, because the mean of its divisors is an integer number (29915261775).

Almost surely, 2^113013211133 is an apocalyptic number.

It is an amenable number.

113013211133 is a deficient number, since it is larger than the sum of its proper divisors (6647835967).

113013211133 is an equidigital number, since it uses as much as digits as its factorization.

113013211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647835966.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 113013211133 its reverse (331112310311), we get a palindrome (444125521444).

The spelling of 113013211133 in words is "one hundred thirteen billion, thirteen million, two hundred eleven thousand, one hundred thirty-three".