113240021003 has 16 divisors (see below), whose sum is σ = 116049024000. Its totient is φ = 110448253632.

The previous prime is 113240020987. The next prime is 113240021017. The reversal of 113240021003 is 300120042311.

It is a cyclic number.

It is not a de Polignac number, because 113240021003 - 2⁴ = 113240020987 is a prime.

It is a super-3 number, since 3×113240021003³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113249021003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24199418 + ... + 24204096.

It is an arithmetic number, because the mean of its divisors is an integer number (7253064000).

Almost surely, 2^113240021003 is an apocalyptic number.

113240021003 is a deficient number, since it is larger than the sum of its proper divisors (2809002997).

113240021003 is a wasteful number, since it uses less digits than its factorization.

113240021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 113240021003 its reverse (300120042311), we get a palindrome (413360063314).

The spelling of 113240021003 in words is "one hundred thirteen billion, two hundred forty million, twenty-one thousand, three".