1100131604 has 24 divisors (see below), whose sum is σ = 2261810208. Its totient is φ = 461593440.

The previous prime is 1100131601. The next prime is 1100131609. The reversal of 1100131604 is 4061310011.

It is a super-3 number, since 3×1100131604³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100131601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961082 + ... + 962225.

It is an arithmetic number, because the mean of its divisors is an integer number (94242092).

Almost surely, 2^1100131604 is an apocalyptic number.

It is an amenable number.

1100131604 is an abundant number, since it is smaller than the sum of its proper divisors (1161678604).

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

1100131604 is a wasteful number, since it uses less digits than its factorization.

1100131604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923335 (or 1923333 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1100131604 is about 33168.2318491656. The cubic root of 1100131604 is about 1032.3212811457.

Adding to 1100131604 its reverse (4061310011), we get a palindrome (5161441615).

The spelling of 1100131604 in words is "one billion, one hundred million, one hundred thirty-one thousand, six hundred four".