1113321103131 has 16 divisors (see below), whose sum is σ = 1489336063488. Its totient is φ = 739760539200.

The previous prime is 1113321103117. The next prime is 1113321103177. The reversal of 1113321103131 is 1313011233111.

It is not a de Polignac number, because 1113321103131 - 2⁵ = 1113321103099 is a prime.

It is a super-2 number, since 2×1113321103131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1113321103098 and 1113321103107.

It is not an unprimeable number, because it can be changed into a prime (1113321103931) 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, 11602591 + ... + 11698151.

It is an arithmetic number, because the mean of its divisors is an integer number (93083503968).

Almost surely, 2^{1113321103131} is an apocalyptic number.

1113321103131 is a deficient number, since it is larger than the sum of its proper divisors (376014960357).

1113321103131 is a wasteful number, since it uses less digits than its factorization.

1113321103131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108362.

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

Adding to 1113321103131 its reverse (1313011233111), we get a palindrome (2426332336242).

The spelling of 1113321103131 in words is "one trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred three thousand, one hundred thirty-one".