30302311032121 has 4 divisors (see below), whose sum is σ = 31041391789044. Its totient is φ = 29563230275200.

The previous prime is 30302311032113. The next prime is 30302311032143. The reversal of 30302311032121 is 12123011320303.

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 17532551721721 + 12769759310400 = 4187189^2 + 3573480^2 .

It is a cyclic number.

It is not a de Polignac number, because 30302311032121 - 2³ = 30302311032113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30302311032092 and 30302311032101.

It is not an unprimeable number, because it can be changed into a prime (30302311032181) 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, 369540378400 + ... + 369540378481.

It is an arithmetic number, because the mean of its divisors is an integer number (7760347947261).

Almost surely, 2^{30302311032121} is an apocalyptic number.

It is an amenable number.

30302311032121 is a deficient number, since it is larger than the sum of its proper divisors (739080756923).

30302311032121 is an equidigital number, since it uses as much as digits as its factorization.

30302311032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739080756922.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30302311032121 its reverse (12123011320303), we get a palindrome (42425322352424).

The spelling of 30302311032121 in words is "thirty trillion, three hundred two billion, three hundred eleven million, thirty-two thousand, one hundred twenty-one".