30312223133 has 8 divisors (see below), whose sum is σ = 32501566080. Its totient is φ = 28168021440.

The previous prime is 30312223127. The next prime is 30312223163. The reversal of 30312223133 is 33132221303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30312223133 - 2⁶ = 30312223069 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30312223099 and 30312223108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312223163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11283923 + ... + 11286608.

It is an arithmetic number, because the mean of its divisors is an integer number (4062695760).

Almost surely, 2^30312223133 is an apocalyptic number.

It is an amenable number.

30312223133 is a deficient number, since it is larger than the sum of its proper divisors (2189342947).

30312223133 is a wasteful number, since it uses less digits than its factorization.

30312223133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22570627.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 30312223133 its reverse (33132221303), we get a palindrome (63444444436).

The spelling of 30312223133 in words is "thirty billion, three hundred twelve million, two hundred twenty-three thousand, one hundred thirty-three".