131011113033243 has 48 divisors (see below), whose sum is σ = 204637283750016. Its totient is φ = 80452416245760.

The previous prime is 131011113033223. The next prime is 131011113033299. The reversal of 131011113033243 is 342330311110131.

131011113033243 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 1 + 111 + 303 + 3 + 243 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-131011113033243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131011113033223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420381105 + ... + 420692637.

It is an arithmetic number, because the mean of its divisors is an integer number (4263276744792).

Almost surely, 2^{131011113033243} is an apocalyptic number.

131011113033243 is a deficient number, since it is larger than the sum of its proper divisors (73626170716773).

131011113033243 is a wasteful number, since it uses less digits than its factorization.

131011113033243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370084 (or 370081 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 131011113033243 its reverse (342330311110131), we get a palindrome (473341424143374).

The spelling of 131011113033243 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, thirty-three thousand, two hundred forty-three".