30203131120 has 160 divisors (see below), whose sum is σ = 76716518400. Its totient is φ = 11014714368.

The previous prime is 30203131093. The next prime is 30203131151. The reversal of 30203131120 is 2113130203.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30203131094 and 30203131103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16176427 + ... + 16178293.

It is an arithmetic number, because the mean of its divisors is an integer number (479478240).

Almost surely, 2^30203131120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30203131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38358259200).

30203131120 is an abundant number, since it is smaller than the sum of its proper divisors (46513387280).

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

30203131120 is a wasteful number, since it uses less digits than its factorization.

30203131120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295 (or 2289 counting only the distinct ones).

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

Adding to 30203131120 its reverse (2113130203), we get a palindrome (32316261323).

The spelling of 30203131120 in words is "thirty billion, two hundred three million, one hundred thirty-one thousand, one hundred twenty".