1313111202011 has 16 divisors (see below), whose sum is σ = 1532937145344. Its totient is φ = 1101354568704.

The previous prime is 1313111201999. The next prime is 1313111202031. The reversal of 1313111202011 is 1102021113131.

It is a cyclic number.

It is not a de Polignac number, because 1313111202011 - 2¹⁰ = 1313111200987 is a prime.

It is a super-2 number, since 2×1313111202011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313111202031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1243016 + ... + 2042378.

It is an arithmetic number, because the mean of its divisors is an integer number (95808571584).

Almost surely, 2^{1313111202011} is an apocalyptic number.

1313111202011 is a deficient number, since it is larger than the sum of its proper divisors (219825943333).

1313111202011 is an equidigital number, since it uses as much as digits as its factorization.

1313111202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804410.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1313111202011 its reverse (1102021113131), we get a palindrome (2415132315142).

It can be divided in two parts, 131311120 and 2011, that added together give a palindrome (131313131).

The spelling of 1313111202011 in words is "one trillion, three hundred thirteen billion, one hundred eleven million, two hundred two thousand, eleven".