1131102232 has 64 divisors (see below), whose sum is σ = 2321071200. Its totient is φ = 513638400.

The previous prime is 1131102227. The next prime is 1131102251. The reversal of 1131102232 is 2322011311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699319 + ... + 2699737.

Almost surely, 2^1131102232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131102232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1160535600).

1131102232 is an abundant number, since it is smaller than the sum of its proper divisors (1189968968).

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

1131102232 is a wasteful number, since it uses less digits than its factorization.

1131102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131102232 is about 33631.8633441562. The cubic root of 1131102232 is about 1041.9189889900.

Adding to 1131102232 its reverse (2322011311), we get a palindrome (3453113543).

The spelling of 1131102232 in words is "one billion, one hundred thirty-one million, one hundred two thousand, two hundred thirty-two".