30542560133 has 4 divisors (see below), whose sum is σ = 30611505408. Its totient is φ = 30473614860.

The previous prime is 30542560129. The next prime is 30542560183. The reversal of 30542560133 is 33106524503.

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 30542560133 - 2² = 30542560129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30542560133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542560123) 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, 34471973 + ... + 34472858.

It is an arithmetic number, because the mean of its divisors is an integer number (7652876352).

Almost surely, 2^30542560133 is an apocalyptic number.

It is an amenable number.

30542560133 is a deficient number, since it is larger than the sum of its proper divisors (68945275).

30542560133 is an equidigital number, since it uses as much as digits as its factorization.

30542560133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68945274.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 30542560133 in words is "thirty billion, five hundred forty-two million, five hundred sixty thousand, one hundred thirty-three".