11303112232013 has 6 divisors (see below), whose sum is σ = 13148518310766. Its totient is φ = 9688381913112.

The previous prime is 11303112231949. The next prime is 11303112232051. The reversal of 11303112232013 is 31023221130311.

It can be written as a sum of positive squares in only one way, i.e., 10778962295689 + 524149936324 = 3283133^2 + 723982^2 .

It is not a de Polignac number, because 11303112232013 - 2⁶ = 11303112231949 is a prime.

It is a super-2 number, since 2×11303112232013² (a number of 27 digits) contains 22 as substring.

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 11303112232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11303112232613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115337879870 + ... + 115337879967.

It is an arithmetic number, because the mean of its divisors is an integer number (2191419718461).

Almost surely, 2^{11303112232013} is an apocalyptic number.

It is an amenable number.

11303112232013 is a deficient number, since it is larger than the sum of its proper divisors (1845406078753).

11303112232013 is an equidigital number, since it uses as much as digits as its factorization.

11303112232013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230675759851 (or 230675759844 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11303112232013 its reverse (31023221130311), we get a palindrome (42326333362324).

The spelling of 11303112232013 in words is "eleven trillion, three hundred three billion, one hundred twelve million, two hundred thirty-two thousand, thirteen".