1101132312 has 96 divisors (see below), whose sum is σ = 3210477120. Its totient is φ = 313803840.

The previous prime is 1101132311. The next prime is 1101132359. The reversal of 1101132312 is 2132311011.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1101132291 and 1101132300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101132311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 576463 + ... + 578369.

It is an arithmetic number, because the mean of its divisors is an integer number (33442470).

Almost surely, 2^1101132312 is an apocalyptic number.

1101132312 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 1101132312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605238560).

1101132312 is an abundant number, since it is smaller than the sum of its proper divisors (2109344808).

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

1101132312 is a wasteful number, since it uses less digits than its factorization.

1101132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2410 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1101132312 is about 33183.3137585745. The cubic root of 1101132312 is about 1032.6341949489.

Adding to 1101132312 its reverse (2132311011), we get a palindrome (3233443323).

The spelling of 1101132312 in words is "one billion, one hundred one million, one hundred thirty-two thousand, three hundred twelve".