1201310003 has 2 divisors, whose sum is σ = 1201310004. Its totient is φ = 1201310002.

The previous prime is 1201309951. The next prime is 1201310023. The reversal of 1201310003 is 3000131021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3000131021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201310003 - 2¹² = 1201305907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201310023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600655001 + 600655002.

It is an arithmetic number, because the mean of its divisors is an integer number (600655002).

Almost surely, 2^1201310003 is an apocalyptic number.

1201310003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201310003 is an equidigital number, since it uses as much as digits as its factorization.

1201310003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1201310003 is about 34659.9192584172. The cubic root of 1201310003 is about 1063.0451190867.

Adding to 1201310003 its reverse (3000131021), we get a palindrome (4201441024).

The spelling of 1201310003 in words is "one billion, two hundred one million, three hundred ten thousand, three".