30013205051 has 4 divisors (see below), whose sum is σ = 30018054432. Its totient is φ = 30008355672.

The previous prime is 30013205041. The next prime is 30013205063. The reversal of 30013205051 is 15050231003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15050231003 = 79309 ⋅189767.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30013205051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30013205021) 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, 2415395 + ... + 2427788.

It is an arithmetic number, because the mean of its divisors is an integer number (7504513608).

Almost surely, 2^30013205051 is an apocalyptic number.

30013205051 is a deficient number, since it is larger than the sum of its proper divisors (4849381).

30013205051 is an equidigital number, since it uses as much as digits as its factorization.

30013205051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4849380.

The product of its (nonzero) digits is 450, while the sum is 20.

Adding to 30013205051 its reverse (15050231003), we get a palindrome (45063436054).

The spelling of 30013205051 in words is "thirty billion, thirteen million, two hundred five thousand, fifty-one".