11231333232 has 160 divisors (see below), whose sum is σ = 34713206784. Its totient is φ = 3061497600.

The previous prime is 11231333231. The next prime is 11231333233. The reversal of 11231333232 is 23233313211.

It is an interprime number because it is at equal distance from previous prime (11231333231) and next prime (11231333233).

It is a super-2 number, since 2×11231333232² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231333231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731943 + ... + 747129.

Almost surely, 2^11231333232 is an apocalyptic number.

11231333232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231333232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17356603392).

11231333232 is an abundant number, since it is smaller than the sum of its proper divisors (23481873552).

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

11231333232 is a wasteful number, since it uses less digits than its factorization.

11231333232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15307 (or 15301 counting only the distinct ones).

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

Adding to 11231333232 its reverse (23233313211), we get a palindrome (34464646443).

The spelling of 11231333232 in words is "eleven billion, two hundred thirty-one million, three hundred thirty-three thousand, two hundred thirty-two".