103321000 has 64 divisors (see below), whose sum is σ = 243294480. Its totient is φ = 41068800.

The previous prime is 103320989. The next prime is 103321021. The reversal of 103321000 is 123301.

It can be written as a sum of positive squares in 8 ways, for example, as 54756 + 103266244 = 234^2 + 10162^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276814 + ... + 277186.

Almost surely, 2^103321000 is an apocalyptic number.

103321000 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 103321000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121647240).

103321000 is an abundant number, since it is smaller than the sum of its proper divisors (139973480).

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

103321000 is a wasteful number, since it uses less digits than its factorization.

103321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 103321000 is about 10164.6937976508. The cubic root of 103321000 is about 469.2412686547.

Adding to 103321000 its reverse (123301), we get a palindrome (103444301).

The spelling of 103321000 in words is "one hundred three million, three hundred twenty-one thousand".