113343613 has 4 divisors (see below), whose sum is σ = 113410240. Its totient is φ = 113276988.

The previous prime is 113343583. The next prime is 113343623. The reversal of 113343613 is 316343311.

It is a happy number.

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: 316343311 = 23 ⋅13754057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113343613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113343623) 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, 30693 + ... + 34186.

It is an arithmetic number, because the mean of its divisors is an integer number (28352560).

Almost surely, 2^113343613 is an apocalyptic number.

It is an amenable number.

113343613 is a deficient number, since it is larger than the sum of its proper divisors (66627).

113343613 is an equidigital number, since it uses as much as digits as its factorization.

113343613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66626.

The product of its digits is 1944, while the sum is 25.

The square root of 113343613 is about 10646.2957407729. The cubic root of 113343613 is about 483.9483544033.

Adding to 113343613 its reverse (316343311), we get a palindrome (429686924).

The spelling of 113343613 in words is "one hundred thirteen million, three hundred forty-three thousand, six hundred thirteen".