1100315320 has 64 divisors (see below), whose sum is σ = 2675927520. Its totient is φ = 404780544.

The previous prime is 1100315317. The next prime is 1100315341. The reversal of 1100315320 is 235130011.

It is a junction number, because it is equal to n+sod(n) for n = 1100315294 and 1100315303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143422 + ... + 150898.

Almost surely, 2^1100315320 is an apocalyptic number.

1100315320 is a gapful number since it is divisible by the number (10) 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 1100315320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337963760).

1100315320 is an abundant number, since it is smaller than the sum of its proper divisors (1575612200).

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

1100315320 is a wasteful number, since it uses less digits than its factorization.

1100315320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1100315320 is about 33171.0011907992. The cubic root of 1100315320 is about 1032.3787419621.

Adding to 1100315320 its reverse (235130011), we get a palindrome (1335445331).

The spelling of 1100315320 in words is "one billion, one hundred million, three hundred fifteen thousand, three hundred twenty".