103131303320 has 16 divisors (see below), whose sum is σ = 232045432560. Its totient is φ = 41252521312.

The previous prime is 103131303271. The next prime is 103131303337. The reversal of 103131303320 is 23303131301.

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

It is a junction number, because it is equal to n+sod(n) for n = 103131303292 and 103131303301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1289141252 + ... + 1289141331.

It is an arithmetic number, because the mean of its divisors is an integer number (14502839535).

Almost surely, 2^103131303320 is an apocalyptic number.

103131303320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103131303320 is an abundant number, since it is smaller than the sum of its proper divisors (128914129240).

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

103131303320 is a wasteful number, since it uses less digits than its factorization.

103131303320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2578282594 (or 2578282590 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 103131303320 its reverse (23303131301), we get a palindrome (126434434621).

The spelling of 103131303320 in words is "one hundred three billion, one hundred thirty-one million, three hundred three thousand, three hundred twenty".