113243613 has 16 divisors (see below), whose sum is σ = 182712960. Its totient is φ = 60903936.

The previous prime is 113243609. The next prime is 113243617. The reversal of 113243613 is 316342311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (113243609) and next prime (113243617).

It is not a de Polignac number, because 113243613 - 2² = 113243609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113243617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158248 + ... + 158961.

It is an arithmetic number, because the mean of its divisors is an integer number (11419560).

Almost surely, 2^113243613 is an apocalyptic number.

It is an amenable number.

113243613 is a deficient number, since it is larger than the sum of its proper divisors (69469347).

113243613 is a wasteful number, since it uses less digits than its factorization.

113243613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317236.

The product of its digits is 1296, while the sum is 24.

The square root of 113243613 is about 10641.5982352276. The cubic root of 113243613 is about 483.8059876843.

Adding to 113243613 its reverse (316342311), we get a palindrome (429585924).

The spelling of 113243613 in words is "one hundred thirteen million, two hundred forty-three thousand, six hundred thirteen".