30312213211133 has 16 divisors (see below), whose sum is σ = 34915513121280. Its totient is φ = 25777256247600.

The previous prime is 30312213211127. The next prime is 30312213211177. The reversal of 30312213211133 is 33111231221303.

It is a cyclic number.

It is not a de Polignac number, because 30312213211133 - 2⁴ = 30312213211117 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 (30312213210133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288623 + ... + 7791516.

It is an arithmetic number, because the mean of its divisors is an integer number (2182219570080).

Almost surely, 2^{30312213211133} is an apocalyptic number.

It is an amenable number.

30312213211133 is a deficient number, since it is larger than the sum of its proper divisors (4603299910147).

30312213211133 is a wasteful number, since it uses less digits than its factorization.

30312213211133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084368.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 30312213211133 its reverse (33111231221303), we get a palindrome (63423444432436).

The spelling of 30312213211133 in words is "thirty trillion, three hundred twelve billion, two hundred thirteen million, two hundred eleven thousand, one hundred thirty-three".