1100313 has 12 divisors (see below), whose sum is σ = 1600560.
Its totient is φ = 728376.
The previous prime is 1100311. The next prime is 1100321. The reversal of 1100313 is 3130011.
Adding to 1100313 its reverse (3130011), we get a palindrome (4230324).
It is not a de Polignac number, because 1100313 - 21 = 1100311 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 1100295 and 1100304.
It is not an unprimeable number, because it can be changed into a prime (1100311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1270 + ... + 1952.
It is an arithmetic number, because the mean of its divisors is an integer number (133380).
21100313 is an apocalyptic number.
It is an amenable number.
1100313 is a deficient number, since it is larger than the sum of its proper divisors (500247).
1100313 is a wasteful number, since it uses less digits than its factorization.
1100313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 868 (or 865 counting only the distinct ones).
The product of its (nonzero) digits is 9, while the sum is 9.
The square root of 1100313 is about 1048.9580544521.
The cubic root of 1100313 is about 103.2378016376.
The spelling of 1100313 in words is "one million, one hundred thousand, three hundred thirteen".