103243280 has 80 divisors (see below), whose sum is σ = 275768064. Its totient is φ = 35212800.

The previous prime is 103243271. The next prime is 103243307. The reversal of 103243280 is 82342301.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146930 + ... + 147630.

Almost surely, 2^103243280 is an apocalyptic number.

103243280 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 103243280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137884032).

103243280 is an abundant number, since it is smaller than the sum of its proper divisors (172524784).

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

103243280 is a wasteful number, since it uses less digits than its factorization.

103243280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 103243280 is about 10160.8700414876. The cubic root of 103243280 is about 469.1235817710.

Adding to 103243280 its reverse (82342301), we get a palindrome (185585581).

The spelling of 103243280 in words is "one hundred three million, two hundred forty-three thousand, two hundred eighty".