1311101300403 has 24 divisors (see below), whose sum is σ = 1934420387328. Its totient is φ = 855331687152.

The previous prime is 1311101300359. The next prime is 1311101300423. The reversal of 1311101300403 is 3040031011131.

1311101300403 is a `hidden beast` number, since 1 + 311 + 10 + 1 + 300 + 40 + 3 = 666.

It is not a de Polignac number, because 1311101300403 - 2¹⁰ = 1311101299379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311101300423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2394400 + ... + 2890562.

It is an arithmetic number, because the mean of its divisors is an integer number (80600849472).

Almost surely, 2^{1311101300403} is an apocalyptic number.

1311101300403 is a deficient number, since it is larger than the sum of its proper divisors (623319086925).

1311101300403 is a wasteful number, since it uses less digits than its factorization.

1311101300403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502463 (or 502460 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1311101300403 its reverse (3040031011131), we get a palindrome (4351132311534).

The spelling of 1311101300403 in words is "one trillion, three hundred eleven billion, one hundred one million, three hundred thousand, four hundred three".