103443113 has 4 divisors (see below), whose sum is σ = 109528020. Its totient is φ = 97358208.

The previous prime is 103443103. The next prime is 103443169. The reversal of 103443113 is 311344301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311344301 = 71 ⋅4385131.

It can be written as a sum of positive squares in 2 ways, for example, as 30118144 + 73324969 = 5488^2 + 8563^2 .

It is a cyclic number.

It is not a de Polignac number, because 103443113 - 2⁴ = 103443097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103443103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042428 + ... + 3042461.

It is an arithmetic number, because the mean of its divisors is an integer number (27382005).

Almost surely, 2^103443113 is an apocalyptic number.

It is an amenable number.

103443113 is a deficient number, since it is larger than the sum of its proper divisors (6084907).

103443113 is an equidigital number, since it uses as much as digits as its factorization.

103443113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084906.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103443113 is about 10170.6987468905. The cubic root of 103443113 is about 469.4260581289.

Adding to 103443113 its reverse (311344301), we get a palindrome (414787414).

The spelling of 103443113 in words is "one hundred three million, four hundred forty-three thousand, one hundred thirteen".