30312133313211 has 64 divisors (see below), whose sum is σ = 49144583468160. Its totient is φ = 18387470499840.

The previous prime is 30312133313207. The next prime is 30312133313237. The reversal of 30312133313211 is 11231333121303.

30312133313211 is a `hidden beast` number, since 3 + 0 + 3 + 1 + 2 + 1 + 3 + 331 + 321 + 1 = 666.

It is not a de Polignac number, because 30312133313211 - 2² = 30312133313207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30312133313201) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3017910 + ... + 8350571.

It is an arithmetic number, because the mean of its divisors is an integer number (767884116690).

Almost surely, 2^{30312133313211} is an apocalyptic number.

30312133313211 is a deficient number, since it is larger than the sum of its proper divisors (18832450154949).

30312133313211 is a wasteful number, since it uses less digits than its factorization.

30312133313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11368701 (or 11368695 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 30312133313211 its reverse (11231333121303), we get a palindrome (41543466434514).

The spelling of 30312133313211 in words is "thirty trillion, three hundred twelve billion, one hundred thirty-three million, three hundred thirteen thousand, two hundred eleven".