103103280 has 200 divisors, whose sum is σ = 409429152. Its totient is φ = 23556096.

The previous prime is 103103269. The next prime is 103103311. The reversal of 103103280 is 82301301.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44224 + ... + 46496.

Almost surely, 2^103103280 is an apocalyptic number.

103103280 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 103103280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204714576).

103103280 is an abundant number, since it is smaller than the sum of its proper divisors (306325872).

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

103103280 is a wasteful number, since it uses less digits than its factorization.

103103280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2290 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 103103280 is about 10153.9785306056. The cubic root of 103103280 is about 468.9114387937.

Adding to 103103280 its reverse (82301301), we get a palindrome (185404581).

The spelling of 103103280 in words is "one hundred three million, one hundred three thousand, two hundred eighty".