1301303203 has 2 divisors, whose sum is σ = 1301303204. Its totient is φ = 1301303202.

The previous prime is 1301303191. The next prime is 1301303219. The reversal of 1301303203 is 3023031031.

It is an a-pointer prime, because the next prime (1301303219) can be obtained adding 1301303203 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1301303203 is a prime.

It is a super-2 number, since 2×1301303203² = 3386780052276118418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1301303603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650651601 + 650651602.

It is an arithmetic number, because the mean of its divisors is an integer number (650651602).

Almost surely, 2^1301303203 is an apocalyptic number.

1301303203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301303203 is an equidigital number, since it uses as much as digits as its factorization.

1301303203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1301303203 is about 36073.5804017289. The cubic root of 1301303203 is about 1091.7574552338.

Adding to 1301303203 its reverse (3023031031), we get a palindrome (4324334234).

The spelling of 1301303203 in words is "one billion, three hundred one million, three hundred three thousand, two hundred three".