30321040213121 has 16 divisors (see below), whose sum is σ = 35786126251008. Its totient is φ = 25140066508800.

The previous prime is 30321040213109. The next prime is 30321040213151. The reversal of 30321040213121 is 12131204012303.

It is a cyclic number.

It is not a de Polignac number, because 30321040213121 - 2¹⁸ = 30321039950977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30321040213151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30133760 + ... + 31123713.

It is an arithmetic number, because the mean of its divisors is an integer number (2236632890688).

Almost surely, 2^{30321040213121} is an apocalyptic number.

30321040213121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30321040213121 is a deficient number, since it is larger than the sum of its proper divisors (5465086037887).

30321040213121 is a wasteful number, since it uses less digits than its factorization.

30321040213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61259792.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 30321040213121 its reverse (12131204012303), we get a palindrome (42452244225424).

The spelling of 30321040213121 in words is "thirty trillion, three hundred twenty-one billion, forty million, two hundred thirteen thousand, one hundred twenty-one".