113200112031 has 16 divisors (see below), whose sum is σ = 156223580160. Its totient is φ = 72824542560.

The previous prime is 113200112017. The next prime is 113200112033. The reversal of 113200112031 is 130211002311.

It is a happy number.

It is not a de Polignac number, because 113200112031 - 2¹⁸ = 113199849887 is a prime.

It is a super-2 number, since 2×113200112031² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113200112031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113200112033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196015 + ... + 514608.

It is an arithmetic number, because the mean of its divisors is an integer number (9763973760).

Almost surely, 2^113200112031 is an apocalyptic number.

113200112031 is a deficient number, since it is larger than the sum of its proper divisors (43023468129).

113200112031 is a wasteful number, since it uses less digits than its factorization.

113200112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712486.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 113200112031 its reverse (130211002311), we get a palindrome (243411114342).

The spelling of 113200112031 in words is "one hundred thirteen billion, two hundred million, one hundred twelve thousand, thirty-one".