30312120010133 has 16 divisors (see below), whose sum is σ = 34571491851456. Its totient is φ = 26328838736640.

The previous prime is 30312120010103. The next prime is 30312120010141. The reversal of 30312120010133 is 33101002121303.

It is a cyclic number.

It is not a de Polignac number, because 30312120010133 - 2⁶ = 30312120010069 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 (30312120010103) 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, 13744403 + ... + 15796608.

It is an arithmetic number, because the mean of its divisors is an integer number (2160718240716).

Almost surely, 2^{30312120010133} is an apocalyptic number.

It is an amenable number.

30312120010133 is a deficient number, since it is larger than the sum of its proper divisors (4259371841323).

30312120010133 is a wasteful number, since it uses less digits than its factorization.

30312120010133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29545684.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30312120010133 its reverse (33101002121303), we get a palindrome (63413122131436).

The spelling of 30312120010133 in words is "thirty trillion, three hundred twelve billion, one hundred twenty million, ten thousand, one hundred thirty-three".