103313030020 has 24 divisors (see below), whose sum is σ = 229719561624. Its totient is φ = 38894317056.

The previous prime is 103313029999. The next prime is 103313030021. The reversal of 103313030020 is 20030313301.

It can be written as a sum of positive squares in 4 ways, for example, as 5710522624 + 97602507396 = 75568^2 + 312414^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103313029976 and 103313030003.

It is not an unprimeable number, because it can be changed into a prime (103313030021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151930587 + ... + 151931266.

It is an arithmetic number, because the mean of its divisors is an integer number (9571648401).

Almost surely, 2^103313030020 is an apocalyptic number.

103313030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103313030020 is an abundant number, since it is smaller than the sum of its proper divisors (126406531604).

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

103313030020 is a wasteful number, since it uses less digits than its factorization.

103313030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303861879 (or 303861877 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

Adding to 103313030020 its reverse (20030313301), we get a palindrome (123343343321).

The spelling of 103313030020 in words is "one hundred three billion, three hundred thirteen million, thirty thousand, twenty".