1443000001313 has 4 divisors (see below), whose sum is σ = 1554000001428. Its totient is φ = 1332000001200.

The previous prime is 1443000001301. The next prime is 1443000001343. The reversal of 1443000001313 is 3131000003441.

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 351023070784 + 1091976930529 = 592472^2 + 1044977^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1443000001313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443000001343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55500000038 + ... + 55500000063.

It is an arithmetic number, because the mean of its divisors is an integer number (388500000357).

Almost surely, 2^{1443000001313} is an apocalyptic number.

1443000001313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1443000001313 is a deficient number, since it is larger than the sum of its proper divisors (111000000115).

1443000001313 is a wasteful number, since it uses less digits than its factorization.

1443000001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111000000114.

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

Adding to 1443000001313 its reverse (3131000003441), we get a palindrome (4574000004754).

The spelling of 1443000001313 in words is "one trillion, four hundred forty-three billion, one thousand, three hundred thirteen".