1100343204 has 30 divisors (see below), whose sum is σ = 2876515334. Its totient is φ = 366780960.

The previous prime is 1100343163. The next prime is 1100343217. The reversal of 1100343204 is 4023430011.

It can be written as a sum of positive squares in only one way, i.e., 668119104 + 432224100 = 25848^2 + 20790^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1697737 + ... + 1698384.

Almost surely, 2^1100343204 is an apocalyptic number.

It is an amenable number.

1100343204 is an abundant number, since it is smaller than the sum of its proper divisors (1776172130).

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

1100343204 is a wasteful number, since it uses less digits than its factorization.

1100343204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396137 (or 3396126 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1100343204 is about 33171.4214950159. The cubic root of 1100343204 is about 1032.3874626762.

Adding to 1100343204 its reverse (4023430011), we get a palindrome (5123773215).

The spelling of 1100343204 in words is "one billion, one hundred million, three hundred forty-three thousand, two hundred four".