11231232303113 has 4 divisors (see below), whose sum is σ = 11236867644948. Its totient is φ = 11225596961280.

The previous prime is 11231232303059. The next prime is 11231232303199. The reversal of 11231232303113 is 31130323213211.

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 9005442822649 + 2225789480464 = 3000907^2 + 1491908^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231232303113 - 2¹² = 11231232299017 is a prime.

It is a super-2 number, since 2×11231232303113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231232303413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817667928 + ... + 2817671913.

It is an arithmetic number, because the mean of its divisors is an integer number (2809216911237).

Almost surely, 2^{11231232303113} is an apocalyptic number.

It is an amenable number.

11231232303113 is a deficient number, since it is larger than the sum of its proper divisors (5635341835).

11231232303113 is an equidigital number, since it uses as much as digits as its factorization.

11231232303113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635341834.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11231232303113 its reverse (31130323213211), we get a palindrome (42361555516324).

The spelling of 11231232303113 in words is "eleven trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred three thousand, one hundred thirteen".