30516516061 has 4 divisors (see below), whose sum is σ = 30557588832. Its totient is φ = 30475443292.

The previous prime is 30516516031. The next prime is 30516516071. The reversal of 30516516061 is 16061561503.

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 a cyclic number.

It is not a de Polignac number, because 30516516061 - 2²³ = 30508127453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30516516031) 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, 20535271 + ... + 20536756.

It is an arithmetic number, because the mean of its divisors is an integer number (7639397208).

Almost surely, 2^30516516061 is an apocalyptic number.

It is an amenable number.

30516516061 is a deficient number, since it is larger than the sum of its proper divisors (41072771).

30516516061 is an equidigital number, since it uses as much as digits as its factorization.

30516516061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41072770.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 30516516061 in words is "thirty billion, five hundred sixteen million, five hundred sixteen thousand, sixty-one".