103313220 has 24 divisors (see below), whose sum is σ = 289277184. Its totient is φ = 27550176.

The previous prime is 103313209. The next prime is 103313227. The reversal of 103313220 is 22313301.

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 103313220.

It is not an unprimeable number, because it can be changed into a prime (103313227) 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, 860884 + ... + 861003.

It is an arithmetic number, because the mean of its divisors is an integer number (12053216).

Almost surely, 2^103313220 is an apocalyptic number.

103313220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103313220 is an abundant number, since it is smaller than the sum of its proper divisors (185963964).

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

103313220 is a wasteful number, since it uses less digits than its factorization.

103313220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721899 (or 1721897 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 103313220 is about 10164.3110932320. The cubic root of 103313220 is about 469.2294905112.

Adding to 103313220 its reverse (22313301), we get a palindrome (125626521).

The spelling of 103313220 in words is "one hundred three million, three hundred thirteen thousand, two hundred twenty".