1311332003103 has 16 divisors (see below), whose sum is σ = 1754068548960. Its totient is φ = 871411298304.

The previous prime is 1311332003089. The next prime is 1311332003117. The reversal of 1311332003103 is 3013002331131.

It is an interprime number because it is at equal distance from previous prime (1311332003089) and next prime (1311332003117).

It is not a de Polignac number, because 1311332003103 - 2⁸ = 1311332002847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311332003103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311332003603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450575 + ... + 2174127.

It is an arithmetic number, because the mean of its divisors is an integer number (109629284310).

Almost surely, 2^{1311332003103} is an apocalyptic number.

1311332003103 is a deficient number, since it is larger than the sum of its proper divisors (442736545857).

1311332003103 is a wasteful number, since it uses less digits than its factorization.

1311332003103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725498.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1311332003103 its reverse (3013002331131), we get a palindrome (4324334334234).

The spelling of 1311332003103 in words is "one trillion, three hundred eleven billion, three hundred thirty-two million, three thousand, one hundred three".