213311022321 has 8 divisors (see below), whose sum is σ = 284428281184. Its totient is φ = 142200555840.

The previous prime is 213311022299. The next prime is 213311022329. The reversal of 213311022321 is 123220113312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 213311022321 - 2¹⁷ = 213310891249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213311022329) 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, 1624360 + ... + 1750761.

It is an arithmetic number, because the mean of its divisors is an integer number (35553535148).

Almost surely, 2^213311022321 is an apocalyptic number.

It is an amenable number.

213311022321 is a deficient number, since it is larger than the sum of its proper divisors (71117258863).

213311022321 is a wasteful number, since it uses less digits than its factorization.

213311022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396191.

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

Adding to 213311022321 its reverse (123220113312), we get a palindrome (336531135633).

Subtracting from 213311022321 its reverse (123220113312), we obtain a palindrome (90090909009).

The spelling of 213311022321 in words is "two hundred thirteen billion, three hundred eleven million, twenty-two thousand, three hundred twenty-one".