113012312133 has 24 divisors (see below), whose sum is σ = 175351575168. Its totient is φ = 64553716416.

The previous prime is 113012312117. The next prime is 113012312159. The reversal of 113012312133 is 331213210311.

It is a happy number.

It is not a de Polignac number, because 113012312133 - 2⁴ = 113012312117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113012312183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241060 + ... + 533042.

It is an arithmetic number, because the mean of its divisors is an integer number (7306315632).

Almost surely, 2^113012312133 is an apocalyptic number.

It is an amenable number.

113012312133 is a deficient number, since it is larger than the sum of its proper divisors (62339263035).

113012312133 is a wasteful number, since it uses less digits than its factorization.

113012312133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294633 (or 294626 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 113012312133 its reverse (331213210311), we get a palindrome (444225522444).

The spelling of 113012312133 in words is "one hundred thirteen billion, twelve million, three hundred twelve thousand, one hundred thirty-three".