113531318199131 has 16 divisors (see below), whose sum is σ = 137382768336384. Its totient is φ = 91588068399744.

The previous prime is 113531318199109. The next prime is 113531318199133. The reversal of 113531318199131 is 131991813135311.

It is not a de Polignac number, because 113531318199131 - 2¹⁴ = 113531318182747 is a prime.

It is a super-2 number, since 2×113531318199131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113531318199131.

It is not an unprimeable number, because it can be changed into a prime (113531318199133) 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 15 ways as a sum of consecutive naturals, for example, 63121226 + ... + 64894928.

It is an arithmetic number, because the mean of its divisors is an integer number (8586423021024).

Almost surely, 2^{113531318199131} is an apocalyptic number.

113531318199131 is a deficient number, since it is larger than the sum of its proper divisors (23851450137253).

113531318199131 is a wasteful number, since it uses less digits than its factorization.

113531318199131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311610.

The product of its digits is 262440, while the sum is 50.

The spelling of 113531318199131 in words is "one hundred thirteen trillion, five hundred thirty-one billion, three hundred eighteen million, one hundred ninety-nine thousand, one hundred thirty-one".