30301121312213 has 4 divisors (see below), whose sum is σ = 30301144613100. Its totient is φ = 30301098011328.

The previous prime is 30301121312171. The next prime is 30301121312227. The reversal of 30301121312213 is 31221312110303.

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 26314458176644 + 3986663135569 = 5129762^2 + 1996663^2 .

It is a cyclic number.

It is not a de Polignac number, because 30301121312213 - 2¹⁴ = 30301121295829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301121312513) 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, 9576770 + ... + 12341667.

It is an arithmetic number, because the mean of its divisors is an integer number (7575286153275).

Almost surely, 2^{30301121312213} is an apocalyptic number.

It is an amenable number.

30301121312213 is a deficient number, since it is larger than the sum of its proper divisors (23300887).

30301121312213 is a wasteful number, since it uses less digits than its factorization.

30301121312213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23300886.

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

Adding to 30301121312213 its reverse (31221312110303), we get a palindrome (61522433422516).

The spelling of 30301121312213 in words is "thirty trillion, three hundred one billion, one hundred twenty-one million, three hundred twelve thousand, two hundred thirteen".