30240342120161 has 2 divisors, whose sum is σ = 30240342120162. Its totient is φ = 30240342120160.

The previous prime is 30240342120067. The next prime is 30240342120187. The reversal of 30240342120161 is 16102124304203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16968302947600 + 13272039172561 = 4119260^2 + 3643081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30240342120161 is a prime.

It is not a weakly prime, because it can be changed into another prime (30240342110161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120171060080 + 15120171060081.

It is an arithmetic number, because the mean of its divisors is an integer number (15120171060081).

Almost surely, 2^{30240342120161} is an apocalyptic number.

It is an amenable number.

30240342120161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30240342120161 is an equidigital number, since it uses as much as digits as its factorization.

30240342120161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 30240342120161 its reverse (16102124304203), we get a palindrome (46342466424364).

The spelling of 30240342120161 in words is "thirty trillion, two hundred forty billion, three hundred forty-two million, one hundred twenty thousand, one hundred sixty-one".