113143013 has 4 divisors (see below), whose sum is σ = 113164320. Its totient is φ = 113121708.

The previous prime is 113142961. The next prime is 113143033. The reversal of 113143013 is 310341311.

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.

It is a cyclic number.

It is not a de Polignac number, because 113143013 - 2¹⁰ = 113141989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113142982 and 113143000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113143033) 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 3 ways as a sum of consecutive naturals, for example, 4448 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (28291080).

Almost surely, 2^113143013 is an apocalyptic number.

It is an amenable number.

113143013 is a deficient number, since it is larger than the sum of its proper divisors (21307).

113143013 is a wasteful number, since it uses less digits than its factorization.

113143013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21306.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 113143013 is about 10636.8704514063. The cubic root of 113143013 is about 483.6626821725.

Adding to 113143013 its reverse (310341311), we get a palindrome (423484324).

It can be divided in two parts, 1131 and 43013, that added together give a palindrome (44144).

The spelling of 113143013 in words is "one hundred thirteen million, one hundred forty-three thousand, thirteen".