30154304311961 has 2 divisors, whose sum is σ = 30154304311962. Its totient is φ = 30154304311960.

The previous prime is 30154304311951. The next prime is 30154304312087. The reversal of 30154304311961 is 16911340345103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16681506490000 + 13472797821961 = 4084300^2 + 3670531^2 .

It is an emirp because it is prime and its reverse (16911340345103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30154304311961 - 2⁶ = 30154304311897 is a prime.

It is not a weakly prime, because it can be changed into another prime (30154304311931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15077152155980 + 15077152155981.

It is an arithmetic number, because the mean of its divisors is an integer number (15077152155981).

Almost surely, 2^{30154304311961} is an apocalyptic number.

It is an amenable number.

30154304311961 is a deficient number, since it is larger than the sum of its proper divisors (1).

30154304311961 is an equidigital number, since it uses as much as digits as its factorization.

30154304311961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 30154304311961 in words is "thirty trillion, one hundred fifty-four billion, three hundred four million, three hundred eleven thousand, nine hundred sixty-one".