213223210311 has 8 divisors (see below), whose sum is σ = 301021002864. Its totient is φ = 133787112320.

The previous prime is 213223210283. The next prime is 213223210339. The reversal of 213223210311 is 113012322312.

It is an interprime number because it is at equal distance from previous prime (213223210283) and next prime (213223210339).

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 213223210311 - 2¹⁷ = 213223079239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213223210411) 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, 2090423580 + ... + 2090423681.

It is an arithmetic number, because the mean of its divisors is an integer number (37627625358).

Almost surely, 2^213223210311 is an apocalyptic number.

213223210311 is a deficient number, since it is larger than the sum of its proper divisors (87797792553).

213223210311 is a wasteful number, since it uses less digits than its factorization.

213223210311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180847281.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213223210311 its reverse (113012322312), we get a palindrome (326235532623).

The spelling of 213223210311 in words is "two hundred thirteen billion, two hundred twenty-three million, two hundred ten thousand, three hundred eleven".