1100231132 has 48 divisors (see below), whose sum is σ = 2585167872. Its totient is φ = 395686080.

The previous prime is 1100231129. The next prime is 1100231147. The reversal of 1100231132 is 2311320011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133388 + ... + 141395.

It is an arithmetic number, because the mean of its divisors is an integer number (53857664).

Almost surely, 2^1100231132 is an apocalyptic number.

It is an amenable number.

1100231132 is an abundant number, since it is smaller than the sum of its proper divisors (1484936740).

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

1100231132 is a wasteful number, since it uses less digits than its factorization.

1100231132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274818 (or 274816 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1100231132 is about 33169.7321665400. The cubic root of 1100231132 is about 1032.3524112923.

Adding to 1100231132 its reverse (2311320011), we get a palindrome (3411551143).

It can be divided in two parts, 1100 and 231132, that added together give a palindrome (232232).

The spelling of 1100231132 in words is "one billion, one hundred million, two hundred thirty-one thousand, one hundred thirty-two".