30320302133 has 4 divisors (see below), whose sum is σ = 33076693248. Its totient is φ = 27563911020.

The previous prime is 30320302127. The next prime is 30320302223. The reversal of 30320302133 is 33120302303.

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 30320302133 - 2¹⁸ = 30320039989 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 (30320302433) 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, 1378195541 + ... + 1378195562.

It is an arithmetic number, because the mean of its divisors is an integer number (8269173312).

Almost surely, 2^30320302133 is an apocalyptic number.

It is an amenable number.

30320302133 is a deficient number, since it is larger than the sum of its proper divisors (2756391115).

30320302133 is a wasteful number, since it uses less digits than its factorization.

30320302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756391114.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30320302133 its reverse (33120302303), we get a palindrome (63440604436).

The spelling of 30320302133 in words is "thirty billion, three hundred twenty million, three hundred two thousand, one hundred thirty-three".