1113031321113 has 16 divisors (see below), whose sum is σ = 1520269978752. Its totient is φ = 723907536000.

The previous prime is 1113031321109. The next prime is 1113031321141. The reversal of 1113031321113 is 3111231303111.

It is not a de Polignac number, because 1113031321113 - 2² = 1113031321109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113031321113.

It is not an unprimeable number, because it can be changed into a prime (1113031321153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10701028 + ... + 10804538.

It is an arithmetic number, because the mean of its divisors is an integer number (95016873672).

Almost surely, 2^{1113031321113} is an apocalyptic number.

It is an amenable number.

1113031321113 is a deficient number, since it is larger than the sum of its proper divisors (407238657639).

1113031321113 is a wasteful number, since it uses less digits than its factorization.

1113031321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190976.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 1113031321113 its reverse (3111231303111), we get a palindrome (4224262624224).

The spelling of 1113031321113 in words is "one trillion, one hundred thirteen billion, thirty-one million, three hundred twenty-one thousand, one hundred thirteen".