213201020331323 has 4 divisors (see below), whose sum is σ = 213201055785768. Its totient is φ = 213200984876880.

The previous prime is 213201020331263. The next prime is 213201020331337. The reversal of 213201020331323 is 323133020102312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 213201020331323 - 2⁶ = 213201020331259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213201020331292 and 213201020331301.

It is not an unprimeable number, because it can be changed into a prime (213201020331223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6215186 + ... + 21564567.

It is an arithmetic number, because the mean of its divisors is an integer number (53300263946442).

Almost surely, 2^{213201020331323} is an apocalyptic number.

213201020331323 is a deficient number, since it is larger than the sum of its proper divisors (35454445).

213201020331323 is an equidigital number, since it uses as much as digits as its factorization.

213201020331323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35454444.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 213201020331323 its reverse (323133020102312), we get a palindrome (536334040433635).

The spelling of 213201020331323 in words is "two hundred thirteen trillion, two hundred one billion, twenty million, three hundred thirty-one thousand, three hundred twenty-three".