1103110320 has 120 divisors (see below), whose sum is σ = 3703062096. Its totient is φ = 271524864.

The previous prime is 1103110301. The next prime is 1103110339. The reversal of 1103110320 is 230113011.

It is an interprime number because it is at equal distance from previous prime (1103110301) and next prime (1103110339).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1103110296 and 1103110305.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26962 + ... + 54158.

Almost surely, 2^1103110320 is an apocalyptic number.

1103110320 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 1103110320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1851531048).

1103110320 is an abundant number, since it is smaller than the sum of its proper divisors (2599951776).

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

1103110320 is a wasteful number, since it uses less digits than its factorization.

1103110320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27239 (or 27220 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 1103110320 is about 33213.1046425955. The cubic root of 1103110320 is about 1033.2521457777.

Adding to 1103110320 its reverse (230113011), we get a palindrome (1333223331).

The spelling of 1103110320 in words is "one billion, one hundred three million, one hundred ten thousand, three hundred twenty".