1311301202003 has 16 divisors (see below), whose sum is σ = 1486662777600. Its totient is φ = 1146595733280.

The previous prime is 1311301201979. The next prime is 1311301202011. The reversal of 1311301202003 is 3002021031131.

It is a cyclic number.

It is not a de Polignac number, because 1311301202003 - 2⁸ = 1311301201747 is a prime.

It is a super-2 number, since 2×1311301202003² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311301202063) 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, 1931138 + ... + 2520296.

It is an arithmetic number, because the mean of its divisors is an integer number (92916423600).

Almost surely, 2^{1311301202003} is an apocalyptic number.

1311301202003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1311301202003 is a deficient number, since it is larger than the sum of its proper divisors (175361575597).

1311301202003 is a wasteful number, since it uses less digits than its factorization.

1311301202003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598202.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1311301202003 its reverse (3002021031131), we get a palindrome (4313322233134).

The spelling of 1311301202003 in words is "one trillion, three hundred eleven billion, three hundred one million, two hundred two thousand, three".