213123321213133 has 8 divisors (see below), whose sum is σ = 213739843934880. Its totient is φ = 212507626596720.

The previous prime is 213123321213091. The next prime is 213123321213149. The reversal of 213123321213133 is 331312123321312.

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 213123321213133 - 2⁴⁵ = 177938949124301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213123321213095 and 213123321213104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213123321211133) 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, 206510863 + ... + 207540316.

It is an arithmetic number, because the mean of its divisors is an integer number (26717480491860).

Almost surely, 2^{213123321213133} is an apocalyptic number.

It is an amenable number.

213123321213133 is a deficient number, since it is larger than the sum of its proper divisors (616522721747).

213123321213133 is an equidigital number, since it uses as much as digits as its factorization.

213123321213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414052667.

The product of its digits is 11664, while the sum is 31.

Adding to 213123321213133 its reverse (331312123321312), we get a palindrome (544435444534445).

The spelling of 213123321213133 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred twenty-one million, two hundred thirteen thousand, one hundred thirty-three".