113313443 has 4 divisors (see below), whose sum is σ = 113968608. Its totient is φ = 112658280.

The previous prime is 113313439. The next prime is 113313461. The reversal of 113313443 is 344313311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344313311 = 31 ⋅11106881.

It is a cyclic number.

It is not a de Polignac number, because 113313443 - 2² = 113313439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113343443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327323 + ... + 327668.

It is an arithmetic number, because the mean of its divisors is an integer number (28492152).

Almost surely, 2^113313443 is an apocalyptic number.

113313443 is a deficient number, since it is larger than the sum of its proper divisors (655165).

113313443 is an equidigital number, since it uses as much as digits as its factorization.

113313443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655164.

The product of its digits is 1296, while the sum is 23.

The square root of 113313443 is about 10644.8787217140. The cubic root of 113313443 is about 483.9054111880.

Adding to 113313443 its reverse (344313311), we get a palindrome (457626754).

The spelling of 113313443 in words is "one hundred thirteen million, three hundred thirteen thousand, four hundred forty-three".