30361041521 has 2 divisors, whose sum is σ = 30361041522. Its totient is φ = 30361041520.

The previous prime is 30361041517. The next prime is 30361041631. The reversal of 30361041521 is 12514016303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28764160000 + 1596881521 = 169600^2 + 39961^2 .

It is a cyclic number.

It is not a de Polignac number, because 30361041521 - 2² = 30361041517 is a prime.

It is not a weakly prime, because it can be changed into another prime (30361041511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15180520760 + 15180520761.

It is an arithmetic number, because the mean of its divisors is an integer number (15180520761).

Almost surely, 2^30361041521 is an apocalyptic number.

It is an amenable number.

30361041521 is a deficient number, since it is larger than the sum of its proper divisors (1).

30361041521 is an equidigital number, since it uses as much as digits as its factorization.

30361041521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 30361041521 its reverse (12514016303), we get a palindrome (42875057824).

The spelling of 30361041521 in words is "thirty billion, three hundred sixty-one million, forty-one thousand, five hundred twenty-one".