30354235220161 has 4 divisors (see below), whose sum is σ = 30593244946432. Its totient is φ = 30115225493892.

The previous prime is 30354235220143. The next prime is 30354235220171. The reversal of 30354235220161 is 16102253245303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30354235220161 - 2²⁵ = 30354201665729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30354235220161.

It is not an unprimeable number, because it can be changed into a prime (30354235220171) 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, 119504862945 + ... + 119504863198.

It is an arithmetic number, because the mean of its divisors is an integer number (7648311236608).

Almost surely, 2^{30354235220161} is an apocalyptic number.

It is an amenable number.

30354235220161 is a deficient number, since it is larger than the sum of its proper divisors (239009726271).

30354235220161 is a wasteful number, since it uses less digits than its factorization.

30354235220161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239009726270.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 30354235220161 its reverse (16102253245303), we get a palindrome (46456488465464).

The spelling of 30354235220161 in words is "thirty trillion, three hundred fifty-four billion, two hundred thirty-five million, two hundred twenty thousand, one hundred sixty-one".