103030021320 has 32 divisors (see below), whose sum is σ = 309090064320. Its totient is φ = 27474672320.

The previous prime is 103030021267. The next prime is 103030021343. The reversal of 103030021320 is 23120030301.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 103030021320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429291636 + ... + 429291875.

It is an arithmetic number, because the mean of its divisors is an integer number (9659064510).

Almost surely, 2^103030021320 is an apocalyptic number.

103030021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103030021320 is an abundant number, since it is smaller than the sum of its proper divisors (206060043000).

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

103030021320 is a wasteful number, since it uses less digits than its factorization.

103030021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858583525 (or 858583521 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 103030021320 its reverse (23120030301), we get a palindrome (126150051621).

The spelling of 103030021320 in words is "one hundred three billion, thirty million, twenty-one thousand, three hundred twenty".