30120133133 has 4 divisors (see below), whose sum is σ = 30120526560. Its totient is φ = 30119739708.

The previous prime is 30120133081. The next prime is 30120133139. The reversal of 30120133133 is 33133102103.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 30120133133 - 2¹² = 30120129037 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 (30120133139) 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, 40553 + ... + 248766.

It is an arithmetic number, because the mean of its divisors is an integer number (7530131640).

Almost surely, 2^30120133133 is an apocalyptic number.

It is an amenable number.

30120133133 is a deficient number, since it is larger than the sum of its proper divisors (393427).

30120133133 is a wasteful number, since it uses less digits than its factorization.

30120133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393426.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 30120133133 its reverse (33133102103), we get a palindrome (63253235236).

The spelling of 30120133133 in words is "thirty billion, one hundred twenty million, one hundred thirty-three thousand, one hundred thirty-three".