11231320223113 has 4 divisors (see below), whose sum is σ = 11234306485908. Its totient is φ = 11228333960320.

The previous prime is 11231320223111. The next prime is 11231320223147. The reversal of 11231320223113 is 31132202313211.

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 8381273971849 + 2850046251264 = 2895043^2 + 1688208^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231320223113 - 2¹ = 11231320223111 is a prime.

It is a super-2 number, since 2×11231320223113² (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 (11231320223111) 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, 1493125756 + ... + 1493133277.

It is an arithmetic number, because the mean of its divisors is an integer number (2808576621477).

Almost surely, 2^{11231320223113} is an apocalyptic number.

It is an amenable number.

11231320223113 is a deficient number, since it is larger than the sum of its proper divisors (2986262795).

11231320223113 is an equidigital number, since it uses as much as digits as its factorization.

11231320223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2986262794.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 11231320223113 its reverse (31132202313211), we get a palindrome (42363522536324).

The spelling of 11231320223113 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty million, two hundred twenty-three thousand, one hundred thirteen".