1301320003 has 2 divisors, whose sum is σ = 1301320004. Its totient is φ = 1301320002.

The previous prime is 1301319947. The next prime is 1301320037. The reversal of 1301320003 is 3000231031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301320003 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301320903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650660001 + 650660002.

It is an arithmetic number, because the mean of its divisors is an integer number (650660002).

Almost surely, 2^1301320003 is an apocalyptic number.

1301320003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301320003 is an equidigital number, since it uses as much as digits as its factorization.

1301320003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1301320003 is about 36073.8132583734. The cubic root of 1301320003 is about 1091.7621534590.

Adding to 1301320003 its reverse (3000231031), we get a palindrome (4301551034).

The spelling of 1301320003 in words is "one billion, three hundred one million, three hundred twenty thousand, three".