30101231161 has 2 divisors, whose sum is σ = 30101231162. Its totient is φ = 30101231160.

The previous prime is 30101231143. The next prime is 30101231183. The reversal of 30101231161 is 16113210103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29952878761 + 148352400 = 173069^2 + 12180^2 .

It is an emirp because it is prime and its reverse (16113210103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30101231161 - 2²⁹ = 29564360249 is a prime.

It is not a weakly prime, because it can be changed into another prime (30101231861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050615580 + 15050615581.

It is an arithmetic number, because the mean of its divisors is an integer number (15050615581).

Almost surely, 2^30101231161 is an apocalyptic number.

It is an amenable number.

30101231161 is a deficient number, since it is larger than the sum of its proper divisors (1).

30101231161 is an equidigital number, since it uses as much as digits as its factorization.

30101231161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 30101231161 its reverse (16113210103), we get a palindrome (46214441264).

The spelling of 30101231161 in words is "thirty billion, one hundred one million, two hundred thirty-one thousand, one hundred sixty-one".