30303301213121 has 4 divisors (see below), whose sum is σ = 30307523499972. Its totient is φ = 30299078926272.

The previous prime is 30303301213109. The next prime is 30303301213231. The reversal of 30303301213121 is 12131210330303.

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 21715236521521 + 8588064691600 = 4659961^2 + 2930540^2 .

It is a cyclic number.

It is not a de Polignac number, because 30303301213121 - 2³⁸ = 30028423306177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30303301203121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111132660 + ... + 2111147013.

It is an arithmetic number, because the mean of its divisors is an integer number (7576880874993).

Almost surely, 2^{30303301213121} is an apocalyptic number.

It is an amenable number.

30303301213121 is a deficient number, since it is larger than the sum of its proper divisors (4222286851).

30303301213121 is an equidigital number, since it uses as much as digits as its factorization.

30303301213121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222286850.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30303301213121 its reverse (12131210330303), we get a palindrome (42434511543424).

The spelling of 30303301213121 in words is "thirty trillion, three hundred three billion, three hundred one million, two hundred thirteen thousand, one hundred twenty-one".