1313003311011 has 72 divisors (see below), whose sum is σ = 2336369016384. Its totient is φ = 706035294720.

The previous prime is 1313003311007. The next prime is 1313003311043. The reversal of 1313003311011 is 1101133003131.

1313003311011 is a `hidden beast` number, since 1 + 31 + 300 + 331 + 1 + 0 + 1 + 1 = 666.

It is not a de Polignac number, because 1313003311011 - 2² = 1313003311007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1313003311111) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 63196821 + ... + 63217593.

It is an arithmetic number, because the mean of its divisors is an integer number (32449569672).

Almost surely, 2^{1313003311011} is an apocalyptic number.

1313003311011 is a deficient number, since it is larger than the sum of its proper divisors (1023365705373).

1313003311011 is a wasteful number, since it uses less digits than its factorization.

1313003311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29241 (or 29231 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 1313003311011 its reverse (1101133003131), we get a palindrome (2414136314142).

The spelling of 1313003311011 in words is "one trillion, three hundred thirteen billion, three million, three hundred eleven thousand, eleven".