113241100031 has 4 divisors (see below), whose sum is σ = 113241773064. Its totient is φ = 113240427000.

The previous prime is 113241100019. The next prime is 113241100057. The reversal of 113241100031 is 130001142311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 130001142311 = 1049 ⋅123928639.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113241100031 is a prime.

It is a super-2 number, since 2×113241100031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113241099982 and 113241100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113241102031) 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 3 ways as a sum of consecutive naturals, for example, 166181 + ... + 504081.

It is an arithmetic number, because the mean of its divisors is an integer number (28310443266).

Almost surely, 2^113241100031 is an apocalyptic number.

113241100031 is a deficient number, since it is larger than the sum of its proper divisors (673033).

113241100031 is an equidigital number, since it uses as much as digits as its factorization.

113241100031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673032.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113241100031 its reverse (130001142311), we get a palindrome (243242242342).

The spelling of 113241100031 in words is "one hundred thirteen billion, two hundred forty-one million, one hundred thousand, thirty-one".