30321130121 has 8 divisors (see below), whose sum is σ = 30444981000. Its totient is φ = 30197491200.

The previous prime is 30321130087. The next prime is 30321130139. The reversal of 30321130121 is 12103112303.

It can be written as a sum of positive squares in 4 ways, for example, as 15397087225 + 14924042896 = 124085^2 + 122164^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30321130121 - 2¹⁴ = 30321113737 is a prime.

It is a super-2 number, since 2×30321130121² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30321130121.

It is not an unprimeable number, because it can be changed into a prime (30321130171) 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 7 ways as a sum of consecutive naturals, for example, 236921 + ... + 341721.

It is an arithmetic number, because the mean of its divisors is an integer number (3805622625).

Almost surely, 2^30321130121 is an apocalyptic number.

It is an amenable number.

30321130121 is a deficient number, since it is larger than the sum of its proper divisors (123850879).

30321130121 is a wasteful number, since it uses less digits than its factorization.

30321130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105979.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30321130121 its reverse (12103112303), we get a palindrome (42424242424).

The spelling of 30321130121 in words is "thirty billion, three hundred twenty-one million, one hundred thirty thousand, one hundred twenty-one".