1031113111113 has 24 divisors (see below), whose sum is σ = 1560333378240. Its totient is φ = 654901764000.

The previous prime is 1031113111099. The next prime is 1031113111121. The reversal of 1031113111113 is 3111113111301.

It is not a de Polignac number, because 1031113111113 - 2²² = 1031108916809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1031113111213) 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 23 ways as a sum of consecutive naturals, for example, 9870798 + ... + 9974711.

It is an arithmetic number, because the mean of its divisors is an integer number (65013890760).

Almost surely, 2^{1031113111113} is an apocalyptic number.

It is an amenable number.

1031113111113 is a deficient number, since it is larger than the sum of its proper divisors (529220267127).

1031113111113 is a wasteful number, since it uses less digits than its factorization.

1031113111113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845789 (or 19845786 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 18.

Adding to 1031113111113 its reverse (3111113111301), we get a palindrome (4142226222414).

The spelling of 1031113111113 in words is "one trillion, thirty-one billion, one hundred thirteen million, one hundred eleven thousand, one hundred thirteen".