103313280 has 128 divisors (see below), whose sum is σ = 376404480. Its totient is φ = 23611392.

The previous prime is 103313269. The next prime is 103313291. The reversal of 103313280 is 82313301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103313269) and next prime (103313291).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 9597 + ... + 17283.

It is an arithmetic number, because the mean of its divisors is an integer number (2940660).

Almost surely, 2^103313280 is an apocalyptic number.

103313280 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 103313280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188202240).

103313280 is an abundant number, since it is smaller than the sum of its proper divisors (273091200).

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

103313280 is an equidigital number, since it uses as much as digits as its factorization.

103313280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 7704 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 103313280 is about 10164.3140447351. The cubic root of 103313280 is about 469.2295813475.

Adding to 103313280 its sum of digits (21), we get a palindrome (103313301).

Adding to 103313280 its reverse (82313301), we get a palindrome (185626581).

The spelling of 103313280 in words is "one hundred three million, three hundred thirteen thousand, two hundred eighty".