30321130122 has 24 divisors (see below), whose sum is σ = 65806590564. Its totient is φ = 10089995904.

The previous prime is 30321130087. The next prime is 30321130139. The reversal of 30321130122 is 22103112303.

30321130122 is a `hidden beast` number, since 303 + 211 + 30 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28967699601 + 1353430521 = 170199^2 + 36789^2 .

It is a super-3 number, since 3×30321130122³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30321130095 and 30321130104.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1409653 + ... + 1431000.

Almost surely, 2^30321130122 is an apocalyptic number.

30321130122 is an abundant number, since it is smaller than the sum of its proper divisors (35485460442).

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

30321130122 is a wasteful number, since it uses less digits than its factorization.

30321130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841254 (or 2841251 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30321130122 its reverse (22103112303), we get a palindrome (52424242425).

It can be divided in two parts, 303211 and 30122, that added together give a palindrome (333333).

The spelling of 30321130122 in words is "thirty billion, three hundred twenty-one million, one hundred thirty thousand, one hundred twenty-two".