105310280 has 32 divisors (see below), whose sum is σ = 240969600. Its totient is φ = 41409216.

The previous prime is 105310273. The next prime is 105310297. The reversal of 105310280 is 82013501.

It is a super-2 number, since 2×105310280² = 22180510147356800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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 7 ways as a sum of consecutive naturals, for example, 19952 + ... + 24671.

It is an arithmetic number, because the mean of its divisors is an integer number (7530300).

Almost surely, 2^105310280 is an apocalyptic number.

105310280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105310280 is an abundant number, since it is smaller than the sum of its proper divisors (135659320).

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

105310280 is a wasteful number, since it uses less digits than its factorization.

105310280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44693 (or 44689 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 105310280 is about 10262.0797112476. The cubic root of 105310280 is about 472.2336413899.

Adding to 105310280 its reverse (82013501), we get a palindrome (187323781).

The spelling of 105310280 in words is "one hundred five million, three hundred ten thousand, two hundred eighty".