30321121032113 has 4 divisors (see below), whose sum is σ = 30358600786980. Its totient is φ = 30283641277248.

The previous prime is 30321121032089. The next prime is 30321121032131. The reversal of 30321121032113 is 31123012112303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19225480087969 + 11095640944144 = 4384687^2 + 3331012^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321121032113 - 2¹² = 30321121028017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30321121032313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18739876220 + ... + 18739877837.

It is an arithmetic number, because the mean of its divisors is an integer number (7589650196745).

Almost surely, 2^{30321121032113} is an apocalyptic number.

It is an amenable number.

30321121032113 is a deficient number, since it is larger than the sum of its proper divisors (37479754867).

30321121032113 is an equidigital number, since it uses as much as digits as its factorization.

30321121032113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37479754866.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 30321121032113 its reverse (31123012112303), we get a palindrome (61444133144416).

The spelling of 30321121032113 in words is "thirty trillion, three hundred twenty-one billion, one hundred twenty-one million, thirty-two thousand, one hundred thirteen".