113513343021 has 48 divisors (see below), whose sum is σ = 177397059840. Its totient is φ = 69530348160.

The previous prime is 113513343001. The next prime is 113513343049. The reversal of 113513343021 is 120343315311.

113513343021 is a `hidden beast` number, since 1 + 1 + 351 + 3 + 3 + 4 + 302 + 1 = 666.

It is not a de Polignac number, because 113513343021 - 2⁵ = 113513342989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113513343001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32720475 + ... + 32723943.

It is an arithmetic number, because the mean of its divisors is an integer number (3695772080).

Almost surely, 2^113513343021 is an apocalyptic number.

It is an amenable number.

113513343021 is a deficient number, since it is larger than the sum of its proper divisors (63883716819).

113513343021 is a wasteful number, since it uses less digits than its factorization.

113513343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4706 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 113513343021 its reverse (120343315311), we get a palindrome (233856658332).

The spelling of 113513343021 in words is "one hundred thirteen billion, five hundred thirteen million, three hundred forty-three thousand, twenty-one".