103130030020 has 12 divisors (see below), whose sum is σ = 216573063084. Its totient is φ = 41252012000.

The previous prime is 103130030009. The next prime is 103130030021. The reversal of 103130030020 is 20030031301.

It can be written as a sum of positive squares in 2 ways, for example, as 28175636736 + 74954393284 = 167856^2 + 273778^2 .

It is a super-2 number, since 2×103130030020² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103130030021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2578250731 + ... + 2578250770.

It is an arithmetic number, because the mean of its divisors is an integer number (18047755257).

Almost surely, 2^103130030020 is an apocalyptic number.

103130030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103130030020 is an abundant number, since it is smaller than the sum of its proper divisors (113443033064).

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

103130030020 is a wasteful number, since it uses less digits than its factorization.

103130030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156501510 (or 5156501508 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 103130030020 its reverse (20030031301), we get a palindrome (123160061321).

The spelling of 103130030020 in words is "one hundred three billion, one hundred thirty million, thirty thousand, twenty".