11223031020311 has 16 divisors (see below), whose sum is σ = 12416221956096. Its totient is φ = 10058670300000.

The previous prime is 11223031020301. The next prime is 11223031020317. The reversal of 11223031020311 is 11302013032211.

It is a happy number.

11223031020311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11223031020311 - 2¹⁸ = 11223030758167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223031020317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21256541 + ... + 21778121.

It is an arithmetic number, because the mean of its divisors is an integer number (776013872256).

Almost surely, 2^{11223031020311} is an apocalyptic number.

11223031020311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11223031020311 is a deficient number, since it is larger than the sum of its proper divisors (1193190935785).

11223031020311 is a wasteful number, since it uses less digits than its factorization.

11223031020311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549214.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11223031020311 its reverse (11302013032211), we get a palindrome (22525044052522).

The spelling of 11223031020311 in words is "eleven trillion, two hundred twenty-three billion, thirty-one million, twenty thousand, three hundred eleven".