1101313320 has 32 divisors (see below), whose sum is σ = 3303940320. Its totient is φ = 293683520.

The previous prime is 1101313319. The next prime is 1101313327. The reversal of 1101313320 is 233131011.

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 1101313320.

It is not an unprimeable number, because it can be changed into a prime (1101313327) 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, 4588686 + ... + 4588925.

It is an arithmetic number, because the mean of its divisors is an integer number (103248135).

Almost surely, 2^1101313320 is an apocalyptic number.

1101313320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101313320 is an abundant number, since it is smaller than the sum of its proper divisors (2202627000).

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

1101313320 is a wasteful number, since it uses less digits than its factorization.

1101313320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9177625 (or 9177621 counting only the distinct ones).

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

The square root of 1101313320 is about 33186.0410413776. The cubic root of 1101313320 is about 1032.6907745283.

Adding to 1101313320 its reverse (233131011), we get a palindrome (1334444331).

The spelling of 1101313320 in words is "one billion, one hundred one million, three hundred thirteen thousand, three hundred twenty".