113313213133 has 4 divisors (see below), whose sum is σ = 117220565340. Its totient is φ = 109405860928.

The previous prime is 113313213119. The next prime is 113313213151. The reversal of 113313213133 is 331312313311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331312313311 = 7 ⋅47330330473.

It can be written as a sum of positive squares in 2 ways, for example, as 71364848164 + 41948364969 = 267142^2 + 204813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113313213133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113313213098 and 113313213107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313213173) 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, 1953676060 + ... + 1953676117.

It is an arithmetic number, because the mean of its divisors is an integer number (29305141335).

Almost surely, 2^113313213133 is an apocalyptic number.

It is an amenable number.

113313213133 is a deficient number, since it is larger than the sum of its proper divisors (3907352207).

113313213133 is an equidigital number, since it uses as much as digits as its factorization.

113313213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907352206.

The product of its digits is 1458, while the sum is 25.

Adding to 113313213133 its reverse (331312313311), we get a palindrome (444625526444).

The spelling of 113313213133 in words is "one hundred thirteen billion, three hundred thirteen million, two hundred thirteen thousand, one hundred thirty-three".