113131211043 has 8 divisors (see below), whose sum is σ = 150843967168. Its totient is φ = 75419631144.

The previous prime is 113131210991. The next prime is 113131211093. The reversal of 113131211043 is 340112131311.

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

It is not a de Polignac number, because 113131211043 - 2¹³ = 113131202851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113131211093) 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 7 ways as a sum of consecutive naturals, for example, 37705 + ... + 477162.

It is an arithmetic number, because the mean of its divisors is an integer number (18855495896).

Almost surely, 2^113131211043 is an apocalyptic number.

113131211043 is a deficient number, since it is larger than the sum of its proper divisors (37712756125).

113131211043 is an equidigital number, since it uses as much as digits as its factorization.

113131211043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588113.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 113131211043 its reverse (340112131311), we get a palindrome (453243342354).

The spelling of 113131211043 in words is "one hundred thirteen billion, one hundred thirty-one million, two hundred eleven thousand, forty-three".