1100130320 has 20 divisors (see below), whose sum is σ = 2557803180. Its totient is φ = 440052096.

The previous prime is 1100130313. The next prime is 1100130329. The reversal of 1100130320 is 230310011.

It can be written as a sum of positive squares in 2 ways, for example, as 451307536 + 648822784 = 21244^2 + 25472^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×1100130320³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100130329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875735 + ... + 6875894.

It is an arithmetic number, because the mean of its divisors is an integer number (127890159).

Almost surely, 2^1100130320 is an apocalyptic number.

1100130320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100130320 is an abundant number, since it is smaller than the sum of its proper divisors (1457672860).

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

1100130320 is a wasteful number, since it uses less digits than its factorization.

1100130320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13751642 (or 13751636 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1100130320 is about 33168.2124932894. The cubic root of 1100130320 is about 1032.3208795268.

Adding to 1100130320 its reverse (230310011), we get a palindrome (1330440331).

The spelling of 1100130320 in words is "one billion, one hundred million, one hundred thirty thousand, three hundred twenty".