1113233131013 has 4 divisors (see below), whose sum is σ = 1113237023340. Its totient is φ = 1113229238688.

The previous prime is 1113233130931. The next prime is 1113233131057. The reversal of 1113233131013 is 3101313323111.

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 936158807809 + 177074323204 = 967553^2 + 420802^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113233131013 - 2¹⁴ = 1113233114629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113233131013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113233137013) 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 3 ways as a sum of consecutive naturals, for example, 1479920 + ... + 2101577.

It is an arithmetic number, because the mean of its divisors is an integer number (278309255835).

Almost surely, 2^{1113233131013} is an apocalyptic number.

It is an amenable number.

1113233131013 is a deficient number, since it is larger than the sum of its proper divisors (3892327).

1113233131013 is an equidigital number, since it uses as much as digits as its factorization.

1113233131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892326.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1113233131013 its reverse (3101313323111), we get a palindrome (4214546454124).

The spelling of 1113233131013 in words is "one trillion, one hundred thirteen billion, two hundred thirty-three million, one hundred thirty-one thousand, thirteen".