11233431330 has 128 divisors (see below), whose sum is σ = 30210630912. Its totient is φ = 2649600000.

The previous prime is 11233431269. The next prime is 11233431331. The reversal of 11233431330 is 3313433211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11233431330.

It is not an unprimeable number, because it can be changed into a prime (11233431331) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6236430 + ... + 6238230.

It is an arithmetic number, because the mean of its divisors is an integer number (236020554).

Almost surely, 2^11233431330 is an apocalyptic number.

11233431330 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 11233431330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15105315456).

11233431330 is an abundant number, since it is smaller than the sum of its proper divisors (18977199582).

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

11233431330 is a wasteful number, since it uses less digits than its factorization.

11233431330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 11233431330 its reverse (3313433211), we get a palindrome (14546864541).

The spelling of 11233431330 in words is "eleven billion, two hundred thirty-three million, four hundred thirty-one thousand, three hundred thirty".