11223231230311 has 16 divisors (see below), whose sum is σ = 11619154612800. Its totient is φ = 10827904808448.

The previous prime is 11223231230269. The next prime is 11223231230327. The reversal of 11223231230311 is 11303213232211.

It is a cyclic number.

It is not a de Polignac number, because 11223231230311 - 2³⁵ = 11188871491943 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 (11223231230381) 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, 287173870 + ... + 287212948.

It is an arithmetic number, because the mean of its divisors is an integer number (726197163300).

Almost surely, 2^{11223231230311} is an apocalyptic number.

11223231230311 is a deficient number, since it is larger than the sum of its proper divisors (395923382489).

11223231230311 is a wasteful number, since it uses less digits than its factorization.

11223231230311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46458.

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

Adding to 11223231230311 its reverse (11303213232211), we get a palindrome (22526444462522).

The spelling of 11223231230311 in words is "eleven trillion, two hundred twenty-three billion, two hundred thirty-one million, two hundred thirty thousand, three hundred eleven".