1311630400303 has 2 divisors, whose sum is σ = 1311630400304. Its totient is φ = 1311630400302.

The previous prime is 1311630400187. The next prime is 1311630400337. The reversal of 1311630400303 is 3030040361131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1311630400303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1311630400343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655815200151 + 655815200152.

It is an arithmetic number, because the mean of its divisors is an integer number (655815200152).

Almost surely, 2^{1311630400303} is an apocalyptic number.

1311630400303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311630400303 is an equidigital number, since it uses as much as digits as its factorization.

1311630400303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1311630400303 its reverse (3030040361131), we get a palindrome (4341670761434).

The spelling of 1311630400303 in words is "one trillion, three hundred eleven billion, six hundred thirty million, four hundred thousand, three hundred three".