113212044131 has 4 divisors (see below), whose sum is σ = 113249547000. Its totient is φ = 113174541264.

The previous prime is 113212044091. The next prime is 113212044133. The reversal of 113212044131 is 131440212311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131440212311 = 3023 ⋅43480057.

It is a cyclic number.

It is not a de Polignac number, because 113212044131 - 2¹⁸ = 113211781987 is a prime.

It is a super-2 number, since 2×113212044131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113212044097 and 113212044106.

It is not an unprimeable number, because it can be changed into a prime (113212044133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18746906 + ... + 18752943.

It is an arithmetic number, because the mean of its divisors is an integer number (28312386750).

Almost surely, 2^113212044131 is an apocalyptic number.

113212044131 is a deficient number, since it is larger than the sum of its proper divisors (37502869).

113212044131 is an equidigital number, since it uses as much as digits as its factorization.

113212044131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37502868.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 113212044131 its reverse (131440212311), we get a palindrome (244652256442).

The spelling of 113212044131 in words is "one hundred thirteen billion, two hundred twelve million, forty-four thousand, one hundred thirty-one".