213223102011331 has 16 divisors (see below), whose sum is σ = 218919349555200. Its totient is φ = 207550615988800.

The previous prime is 213223102011329. The next prime is 213223102011349. The reversal of 213223102011331 is 133110201322312.

It is a cyclic number.

It is not a de Polignac number, because 213223102011331 - 2¹ = 213223102011329 is a prime.

It is a super-3 number, since 3×213223102011331³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213223102011296 and 213223102011305.

It is not an unprimeable number, because it can be changed into a prime (213223102011431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107641830 + ... + 109604788.

It is an arithmetic number, because the mean of its divisors is an integer number (13682459347200).

Almost surely, 2^{213223102011331} is an apocalyptic number.

213223102011331 is a deficient number, since it is larger than the sum of its proper divisors (5696247543869).

213223102011331 is a wasteful number, since it uses less digits than its factorization.

213223102011331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969010.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 213223102011331 its reverse (133110201322312), we get a palindrome (346333303333643).

The spelling of 213223102011331 in words is "two hundred thirteen trillion, two hundred twenty-three billion, one hundred two million, eleven thousand, three hundred thirty-one".