113112100431 has 32 divisors (see below), whose sum is σ = 183055161600. Its totient is φ = 68459891040.

The previous prime is 113112100429. The next prime is 113112100447. The reversal of 113112100431 is 134001211311.

It is a happy number.

113112100431 is a `hidden beast` number, since 1 + 13 + 11 + 210 + 0 + 431 = 666.

It is not a de Polignac number, because 113112100431 - 2¹ = 113112100429 is a prime.

It is a super-2 number, since 2×113112100431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112100421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38196 + ... + 477161.

It is an arithmetic number, because the mean of its divisors is an integer number (5720473800).

Almost surely, 2^113112100431 is an apocalyptic number.

113112100431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113112100431 is a deficient number, since it is larger than the sum of its proper divisors (69943061169).

113112100431 is a wasteful number, since it uses less digits than its factorization.

113112100431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516116 (or 516110 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113112100431 its reverse (134001211311), we get a palindrome (247113311742).

The spelling of 113112100431 in words is "one hundred thirteen billion, one hundred twelve million, one hundred thousand, four hundred thirty-one".