1311102300203 has 4 divisors (see below), whose sum is σ = 1343080405128. Its totient is φ = 1279124195280.

The previous prime is 1311102300169. The next prime is 1311102300227. The reversal of 1311102300203 is 3020032011131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311102300203 - 2⁴⁰ = 211590672427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311102302203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15989052401 + ... + 15989052482.

It is an arithmetic number, because the mean of its divisors is an integer number (335770101282).

Almost surely, 2^{1311102300203} is an apocalyptic number.

1311102300203 is a deficient number, since it is larger than the sum of its proper divisors (31978104925).

1311102300203 is an equidigital number, since it uses as much as digits as its factorization.

1311102300203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31978104924.

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

Adding to 1311102300203 its reverse (3020032011131), we get a palindrome (4331134311334).

The spelling of 1311102300203 in words is "one trillion, three hundred eleven billion, one hundred two million, three hundred thousand, two hundred three".