113131130211 has 24 divisors (see below), whose sum is σ = 178439969136. Its totient is φ = 68497885440.

The previous prime is 113131130191. The next prime is 113131130249. The reversal of 113131130211 is 112031131311.

113131130211 is a `hidden beast` number, since 11 + 31 + 311 + 302 + 11 = 666.

It is not a de Polignac number, because 113131130211 - 2³¹ = 110983646563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113131130111) 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 23 ways as a sum of consecutive naturals, for example, 450850 + ... + 655383.

It is an arithmetic number, because the mean of its divisors is an integer number (7434998714).

Almost surely, 2^113131130211 is an apocalyptic number.

113131130211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113131130211 is a deficient number, since it is larger than the sum of its proper divisors (65308838925).

113131130211 is a wasteful number, since it uses less digits than its factorization.

113131130211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107283 (or 1107280 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 113131130211 its reverse (112031131311), we get a palindrome (225162261522).

It can be divided in two parts, 113131 and 130211, that added together give a palindrome (243342).

The spelling of 113131130211 in words is "one hundred thirteen billion, one hundred thirty-one million, one hundred thirty thousand, two hundred eleven".