113113231543 has 8 divisors (see below), whose sum is σ = 121953160448. Its totient is φ = 104293147104.

The previous prime is 113113231493. The next prime is 113113231571. The reversal of 113113231543 is 345132311311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113113231543 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 (113111231543) 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 7 ways as a sum of consecutive naturals, for example, 4949271 + ... + 4972072.

It is an arithmetic number, because the mean of its divisors is an integer number (15244145056).

Almost surely, 2^113113231543 is an apocalyptic number.

113113231543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

113113231543 is a deficient number, since it is larger than the sum of its proper divisors (8839928905).

113113231543 is an equidigital number, since it uses as much as digits as its factorization.

113113231543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922233.

The product of its digits is 3240, while the sum is 28.

Adding to 113113231543 its reverse (345132311311), we get a palindrome (458245542854).

The spelling of 113113231543 in words is "one hundred thirteen billion, one hundred thirteen million, two hundred thirty-one thousand, five hundred forty-three".