1311301002003 has 16 divisors (see below), whose sum is σ = 1865380150656. Its totient is φ = 816496353920.

The previous prime is 1311301001963. The next prime is 1311301002091. The reversal of 1311301002003 is 3002001031131.

It is a cyclic number.

It is not a de Polignac number, because 1311301002003 - 2¹⁴ = 1311300985619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311301002703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98129901 + ... + 98143262.

It is an arithmetic number, because the mean of its divisors is an integer number (116586259416).

Almost surely, 2^{1311301002003} is an apocalyptic number.

1311301002003 is a deficient number, since it is larger than the sum of its proper divisors (554079148653).

1311301002003 is a wasteful number, since it uses less digits than its factorization.

1311301002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196273314.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1311301002003 its reverse (3002001031131), we get a palindrome (4313302033134).

The spelling of 1311301002003 in words is "one trillion, three hundred eleven billion, three hundred one million, two thousand, three".