211330231333 has 8 divisors (see below), whose sum is σ = 228563171928. Its totient is φ = 194236829184.

The previous prime is 211330231303. The next prime is 211330231339. The reversal of 211330231333 is 333132033112.

It can be written as a sum of positive squares in 4 ways, for example, as 11362067649 + 199968163684 = 106593^2 + 447178^2 .

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 211330231333 - 2¹³ = 211330223141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211330231298 and 211330231307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211330231339) 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, 34881460 + ... + 34887517.

It is an arithmetic number, because the mean of its divisors is an integer number (28570396491).

Almost surely, 2^211330231333 is an apocalyptic number.

It is an amenable number.

211330231333 is a deficient number, since it is larger than the sum of its proper divisors (17232940595).

211330231333 is a wasteful number, since it uses less digits than its factorization.

211330231333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69769223.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 211330231333 its reverse (333132033112), we get a palindrome (544462264445).

The spelling of 211330231333 in words is "two hundred eleven billion, three hundred thirty million, two hundred thirty-one thousand, three hundred thirty-three".