30131130220 has 48 divisors (see below), whose sum is σ = 66043595520. Its totient is φ = 11525443776.

The previous prime is 30131130217. The next prime is 30131130229. The reversal of 30131130220 is 2203113103.

It is a junction number, because it is equal to n+sod(n) for n = 30131130194 and 30131130203.

It is not an unprimeable number, because it can be changed into a prime (30131130229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719051 + ... + 2730109.

It is an arithmetic number, because the mean of its divisors is an integer number (1375908240).

Almost surely, 2^30131130220 is an apocalyptic number.

It is an amenable number.

30131130220 is an abundant number, since it is smaller than the sum of its proper divisors (35912465300).

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

30131130220 is a wasteful number, since it uses less digits than its factorization.

30131130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17014 (or 17012 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30131130220 its reverse (2203113103), we get a palindrome (32334243323).

The spelling of 30131130220 in words is "thirty billion, one hundred thirty-one million, one hundred thirty thousand, two hundred twenty".