11311033230 has 192 divisors, whose sum is σ = 34131621888. Its totient is φ = 2545551360.

The previous prime is 11311033199. The next prime is 11311033243. The reversal of 11311033230 is 3233011311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16560469 + ... + 16561151.

It is an arithmetic number, because the mean of its divisors is an integer number (177768864).

Almost surely, 2^11311033230 is an apocalyptic number.

11311033230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11311033230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17065810944).

11311033230 is an abundant number, since it is smaller than the sum of its proper divisors (22820588658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11311033230 is a wasteful number, since it uses less digits than its factorization.

11311033230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11311033230 its reverse (3233011311), we get a palindrome (14544044541).

The spelling of 11311033230 in words is "eleven billion, three hundred eleven million, thirty-three thousand, two hundred thirty".