113231101133 has 4 divisors (see below), whose sum is σ = 113231979168. Its totient is φ = 113230223100.

The previous prime is 113231101127. The next prime is 113231101157. The reversal of 113231101133 is 331101132311.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 331101132311 = 119299 ⋅2775389.

It is a cyclic number.

It is not a de Polignac number, because 113231101133 - 2²² = 113226906829 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 (113231101183) 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, 203441 + ... + 517542.

It is an arithmetic number, because the mean of its divisors is an integer number (28307994792).

Almost surely, 2^113231101133 is an apocalyptic number.

It is an amenable number.

113231101133 is a deficient number, since it is larger than the sum of its proper divisors (878035).

113231101133 is an equidigital number, since it uses as much as digits as its factorization.

113231101133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878034.

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

Adding to 113231101133 its reverse (331101132311), we get a palindrome (444332233444).

The spelling of 113231101133 in words is "one hundred thirteen billion, two hundred thirty-one million, one hundred one thousand, one hundred thirty-three".