1443313113 has 16 divisors (see below), whose sum is σ = 2108160000. Its totient is φ = 871070480.

The previous prime is 1443313111. The next prime is 1443313133. The reversal of 1443313113 is 3113133441.

It is a cyclic number.

It is not a de Polignac number, because 1443313113 - 2¹ = 1443313111 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1443313111) 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, 83613 + ... + 99386.

It is an arithmetic number, because the mean of its divisors is an integer number (131760000).

Almost surely, 2^1443313113 is an apocalyptic number.

It is an amenable number.

1443313113 is a deficient number, since it is larger than the sum of its proper divisors (664846887).

1443313113 is a wasteful number, since it uses less digits than its factorization.

1443313113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183252.

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

The square root of 1443313113 is about 37990.9609380968. The cubic root of 1443313113 is about 1130.1086153982.

Adding to 1443313113 its reverse (3113133441), we get a palindrome (4556446554).

The spelling of 1443313113 in words is "one billion, four hundred forty-three million, three hundred thirteen thousand, one hundred thirteen".