30533123534144 has 56 divisors (see below), whose sum is σ = 75539740703808. Its totient is φ = 11896022154240.

The previous prime is 30533123534107. The next prime is 30533123534159. The reversal of 30533123534144 is 44143532133503.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097917509 + ... + 3097927364.

Almost surely, 2^{30533123534144} is an apocalyptic number.

It is an amenable number.

30533123534144 is an abundant number, since it is smaller than the sum of its proper divisors (45006617169664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30533123534144 is a wasteful number, since it uses less digits than its factorization.

30533123534144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195844903 (or 6195844893 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 41.

Adding to 30533123534144 its reverse (44143532133503), we get a palindrome (74676655667647).

The spelling of 30533123534144 in words is "thirty trillion, five hundred thirty-three billion, one hundred twenty-three million, five hundred thirty-four thousand, one hundred forty-four".