213123013103133 has 24 divisors (see below), whose sum is σ = 351822516864000. Its totient is φ = 121784440456224.

The previous prime is 213123013103083. The next prime is 213123013103153. The reversal of 213123013103133 is 331301310321312.

213123013103133 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 2 + 30 + 1 + 310 + 313 + 3 = 666.

It is not a de Polignac number, because 213123013103133 - 2²⁵ = 213122979548701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213123013103097 and 213123013103106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123013103153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84538483 + ... + 87022991.

It is an arithmetic number, because the mean of its divisors is an integer number (14659271536000).

Almost surely, 2^{213123013103133} is an apocalyptic number.

It is an amenable number.

213123013103133 is a deficient number, since it is larger than the sum of its proper divisors (138699503760867).

213123013103133 is a wasteful number, since it uses less digits than its factorization.

213123013103133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3846121 (or 3846118 counting only the distinct ones).

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

Adding to 213123013103133 its reverse (331301310321312), we get a palindrome (544424323424445).

The spelling of 213123013103133 in words is "two hundred thirteen trillion, one hundred twenty-three billion, thirteen million, one hundred three thousand, one hundred thirty-three".