113111132031 has 6 divisors (see below), whose sum is σ = 163382746280. Its totient is φ = 75407421348.

The previous prime is 113111132023. The next prime is 113111132041. The reversal of 113111132031 is 130231111311.

113111132031 is a `hidden beast` number, since 1 + 1 + 311 + 1 + 1 + 320 + 31 = 666.

It is not a de Polignac number, because 113111132031 - 2³ = 113111132023 is a prime.

It is a super-3 number, since 3×113111132031³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113111131995 and 113111132013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113111132041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6283951771 + ... + 6283951788.

Almost surely, 2^113111132031 is an apocalyptic number.

113111132031 is a deficient number, since it is larger than the sum of its proper divisors (50271614249).

113111132031 is a wasteful number, since it uses less digits than its factorization.

113111132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12567903565 (or 12567903562 counting only the distinct ones).

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

Adding to 113111132031 its reverse (130231111311), we get a palindrome (243342243342).

The spelling of 113111132031 in words is "one hundred thirteen billion, one hundred eleven million, one hundred thirty-two thousand, thirty-one".