213032312310323 has 4 divisors (see below), whose sum is σ = 232398886156728. Its totient is φ = 193665738463920.

The previous prime is 213032312310241. The next prime is 213032312310341. The reversal of 213032312310323 is 323013213230312.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213032312310323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213032312210323) 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, 9683286923186 + ... + 9683286923207.

It is an arithmetic number, because the mean of its divisors is an integer number (58099721539182).

Almost surely, 2^{213032312310323} is an apocalyptic number.

213032312310323 is a deficient number, since it is larger than the sum of its proper divisors (19366573846405).

213032312310323 is a wasteful number, since it uses less digits than its factorization.

213032312310323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19366573846404.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 213032312310323 its reverse (323013213230312), we get a palindrome (536045525540635).

The spelling of 213032312310323 in words is "two hundred thirteen trillion, thirty-two billion, three hundred twelve million, three hundred ten thousand, three hundred twenty-three".