1330443113 has 4 divisors (see below), whose sum is σ = 1335178068. Its totient is φ = 1325708160.

The previous prime is 1330443083. The next prime is 1330443157. The reversal of 1330443113 is 3113440331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 539539984 + 790903129 = 23228^2 + 28123^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330443113 - 2⁸ = 1330442857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1330443193) 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, 2367056 + ... + 2367617.

It is an arithmetic number, because the mean of its divisors is an integer number (333794517).

Almost surely, 2^1330443113 is an apocalyptic number.

It is an amenable number.

1330443113 is a deficient number, since it is larger than the sum of its proper divisors (4734955).

1330443113 is an equidigital number, since it uses as much as digits as its factorization.

1330443113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4734954.

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

The square root of 1330443113 is about 36475.2397250518. The cubic root of 1330443113 is about 1099.8465662025.

Adding to 1330443113 its reverse (3113440331), we get a palindrome (4443883444).

The spelling of 1330443113 in words is "one billion, three hundred thirty million, four hundred forty-three thousand, one hundred thirteen".