30561344461051 has 4 divisors (see below), whose sum is σ = 30561388425000. Its totient is φ = 30561300497104.

The previous prime is 30561344461049. The next prime is 30561344461057. The reversal of 30561344461051 is 15016444316503.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30561344461051 - 2¹ = 30561344461049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30561344460989 and 30561344461007.

It is not an unprimeable number, because it can be changed into a prime (30561344461057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20922226 + ... + 22335223.

It is an arithmetic number, because the mean of its divisors is an integer number (7640347106250).

Almost surely, 2^{30561344461051} is an apocalyptic number.

30561344461051 is a deficient number, since it is larger than the sum of its proper divisors (43963949).

30561344461051 is an equidigital number, since it uses as much as digits as its factorization.

30561344461051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43963948.

The product of its (nonzero) digits is 518400, while the sum is 43.

Adding to 30561344461051 its reverse (15016444316503), we get a palindrome (45577788777554).

The spelling of 30561344461051 in words is "thirty trillion, five hundred sixty-one billion, three hundred forty-four million, four hundred sixty-one thousand, fifty-one".