1003143313 has 2 divisors, whose sum is σ = 1003143314. Its totient is φ = 1003143312.

The previous prime is 1003143301. The next prime is 1003143319. The reversal of 1003143313 is 3133413001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995591809 + 7551504 = 31553^2 + 2748^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003143313 - 2⁹ = 1003142801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003143319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501571656 + 501571657.

It is an arithmetic number, because the mean of its divisors is an integer number (501571657).

Almost surely, 2^1003143313 is an apocalyptic number.

It is an amenable number.

1003143313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003143313 is an equidigital number, since it uses as much as digits as its factorization.

1003143313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1003143313 is about 31672.4377495639. The cubic root of 1003143313 is about 1001.0466750890.

Adding to 1003143313 its reverse (3133413001), we get a palindrome (4136556314).

It can be divided in two parts, 100 and 3143313, that added together give a palindrome (3143413).

The spelling of 1003143313 in words is "one billion, three million, one hundred forty-three thousand, three hundred thirteen".