1311103200203 has 8 divisors (see below), whose sum is σ = 1407243726288. Its totient is φ = 1217075652864.

The previous prime is 1311103200179. The next prime is 1311103200233. The reversal of 1311103200203 is 3020023011131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311103200203 - 2¹⁸ = 1311102938059 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311103200233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528243401 + ... + 528245882.

It is an arithmetic number, because the mean of its divisors is an integer number (175905465786).

Almost surely, 2^{1311103200203} is an apocalyptic number.

1311103200203 is a deficient number, since it is larger than the sum of its proper divisors (96140526085).

1311103200203 is a wasteful number, since it uses less digits than its factorization.

1311103200203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056489373.

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

Adding to 1311103200203 its reverse (3020023011131), we get a palindrome (4331126211334).

The spelling of 1311103200203 in words is "one trillion, three hundred eleven billion, one hundred three million, two hundred thousand, two hundred three".