1103321310 has 128 divisors (see below), whose sum is σ = 3364429824. Its totient is φ = 225262080.

The previous prime is 1103321281. The next prime is 1103321311. The reversal of 1103321310 is 131233011.

It is a super-2 number, since 2×1103321310² = 2434635826200232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1103321310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103321311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 78112 + ... + 91148.

It is an arithmetic number, because the mean of its divisors is an integer number (26284608).

Almost surely, 2^1103321310 is an apocalyptic number.

1103321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103321310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1682214912).

1103321310 is an abundant number, since it is smaller than the sum of its proper divisors (2261108514).

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

1103321310 is a wasteful number, since it uses less digits than its factorization.

1103321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13098.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1103321310 is about 33216.2807972235. The cubic root of 1103321310 is about 1033.3180176941.

Adding to 1103321310 its reverse (131233011), we get a palindrome (1234554321).

The spelling of 1103321310 in words is "one billion, one hundred three million, three hundred twenty-one thousand, three hundred ten".