103210320 has 160 divisors (see below), whose sum is σ = 334300032. Its totient is φ = 26320896.

The previous prime is 103210319. The next prime is 103210399. The reversal of 103210320 is 23012301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 103210296 and 103210305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 753292 + ... + 753428.

Almost surely, 2^103210320 is an apocalyptic number.

103210320 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 103210320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167150016).

103210320 is an abundant number, since it is smaller than the sum of its proper divisors (231089712).

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

103210320 is a wasteful number, since it uses less digits than its factorization.

103210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 103210320 is about 10159.2480036664. The cubic root of 103210320 is about 469.0736545215.

Adding to 103210320 its reverse (23012301), we get a palindrome (126222621).

The spelling of 103210320 in words is "one hundred three million, two hundred ten thousand, three hundred twenty".