30361041561 has 4 divisors (see below), whose sum is σ = 40481388752. Its totient is φ = 20240694372.

The previous prime is 30361041521. The next prime is 30361041631. The reversal of 30361041561 is 16514016303.

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 not a de Polignac number, because 30361041561 - 2²⁵ = 30327487129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 5060173591 + ... + 5060173596.

It is an arithmetic number, because the mean of its divisors is an integer number (10120347188).

Almost surely, 2^30361041561 is an apocalyptic number.

It is an amenable number.

30361041561 is a deficient number, since it is larger than the sum of its proper divisors (10120347191).

30361041561 is a wasteful number, since it uses less digits than its factorization.

30361041561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10120347190.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 30361041561 its reverse (16514016303), we get a palindrome (46875057864).

The spelling of 30361041561 in words is "thirty billion, three hundred sixty-one million, forty-one thousand, five hundred sixty-one".