30135444133 has 4 divisors (see below), whose sum is σ = 31721520160. Its totient is φ = 28549368108.

The previous prime is 30135444121. The next prime is 30135444137. The reversal of 30135444133 is 33144453103.

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 30135444133 - 2⁹ = 30135443621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30135444095 and 30135444104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30135444137) 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, 793037985 + ... + 793038022.

It is an arithmetic number, because the mean of its divisors is an integer number (7930380040).

Almost surely, 2^30135444133 is an apocalyptic number.

It is an amenable number.

30135444133 is a deficient number, since it is larger than the sum of its proper divisors (1586076027).

30135444133 is a wasteful number, since it uses less digits than its factorization.

30135444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586076026.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 30135444133 its reverse (33144453103), we get a palindrome (63279897236).

The spelling of 30135444133 in words is "thirty billion, one hundred thirty-five million, four hundred forty-four thousand, one hundred thirty-three".