1110231320113 has 4 divisors (see below), whose sum is σ = 1118335198500. Its totient is φ = 1102127441728.

The previous prime is 1110231320111. The next prime is 1110231320117. The reversal of 1110231320113 is 3110231320111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 693009630784 + 417221689329 = 832472^2 + 645927^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110231320113 - 2¹ = 1110231320111 is a prime.

It is a super-2 number, since 2×1110231320113² (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 (1110231320111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051938988 + ... + 4051939261.

It is an arithmetic number, because the mean of its divisors is an integer number (279583799625).

Almost surely, 2^{1110231320113} is an apocalyptic number.

It is an amenable number.

1110231320113 is a deficient number, since it is larger than the sum of its proper divisors (8103878387).

1110231320113 is an equidigital number, since it uses as much as digits as its factorization.

1110231320113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8103878386.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1110231320113 its reverse (3110231320111), we get a palindrome (4220462640224).

The spelling of 1110231320113 in words is "one trillion, one hundred ten billion, two hundred thirty-one million, three hundred twenty thousand, one hundred thirteen".