113404232113 has 4 divisors (see below), whose sum is σ = 113416882288. Its totient is φ = 113391581940.

The previous prime is 113404232107. The next prime is 113404232119. The reversal of 113404232113 is 311232404311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311232404311 = 37 ⋅8411686603.

It is an interprime number because it is at equal distance from previous prime (113404232107) and next prime (113404232119).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113404232113 is a prime.

It is a super-2 number, since 2×113404232113² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113404232119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6311631 + ... + 6329572.

It is an arithmetic number, because the mean of its divisors is an integer number (28354220572).

Almost surely, 2^113404232113 is an apocalyptic number.

It is an amenable number.

113404232113 is a deficient number, since it is larger than the sum of its proper divisors (12650175).

113404232113 is an equidigital number, since it uses as much as digits as its factorization.

113404232113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650174.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 113404232113 its reverse (311232404311), we get a palindrome (424636636424).

The spelling of 113404232113 in words is "one hundred thirteen billion, four hundred four million, two hundred thirty-two thousand, one hundred thirteen".