113412232013 has 4 divisors (see below), whose sum is σ = 113549369760. Its totient is φ = 113275094268.

The previous prime is 113412231953. The next prime is 113412232019. The reversal of 113412232013 is 310232214311.

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: 310232214311 = 17 ⋅18248953783.

It is a cyclic number.

It is not a de Polignac number, because 113412232013 - 2¹⁰ = 113412230989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113412232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113412232019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68567633 + ... + 68569286.

It is an arithmetic number, because the mean of its divisors is an integer number (28387342440).

Almost surely, 2^113412232013 is an apocalyptic number.

It is an amenable number.

113412232013 is a deficient number, since it is larger than the sum of its proper divisors (137137747).

113412232013 is an equidigital number, since it uses as much as digits as its factorization.

113412232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137137746.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 113412232013 its reverse (310232214311), we get a palindrome (423644446324).

The spelling of 113412232013 in words is "one hundred thirteen billion, four hundred twelve million, two hundred thirty-two thousand, thirteen".