11220310231231 has 8 divisors (see below), whose sum is σ = 12033699156720. Its totient is φ = 10429205933952.

The previous prime is 11220310231177. The next prime is 11220310231243. The reversal of 11220310231231 is 13213201302211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11220310231231 - 2¹⁷ = 11220310100159 is a prime.

It is a super-2 number, since 2×11220310231231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220310235231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5571156010 + ... + 5571158023.

It is an arithmetic number, because the mean of its divisors is an integer number (1504212394590).

Almost surely, 2^{11220310231231} is an apocalyptic number.

11220310231231 is a deficient number, since it is larger than the sum of its proper divisors (813388925489).

11220310231231 is a wasteful number, since it uses less digits than its factorization.

11220310231231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11142314105.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11220310231231 its reverse (13213201302211), we get a palindrome (24433511533442).

The spelling of 11220310231231 in words is "eleven trillion, two hundred twenty billion, three hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".