211431433323 has 8 divisors (see below), whose sum is σ = 307536630336. Its totient is φ = 128140262600.

The previous prime is 211431433319. The next prime is 211431433357. The reversal of 211431433323 is 323334134112.

211431433323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 211431433323 - 2² = 211431433319 is a prime.

It is a super-3 number, since 3×211431433323³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (211431433313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203506533 + ... + 3203506598.

It is an arithmetic number, because the mean of its divisors is an integer number (38442078792).

Almost surely, 2^211431433323 is an apocalyptic number.

211431433323 is a deficient number, since it is larger than the sum of its proper divisors (96105197013).

211431433323 is a wasteful number, since it uses less digits than its factorization.

211431433323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6407013145.

The product of its digits is 15552, while the sum is 30.

Adding to 211431433323 its reverse (323334134112), we get a palindrome (534765567435).

The spelling of 211431433323 in words is "two hundred eleven billion, four hundred thirty-one million, four hundred thirty-three thousand, three hundred twenty-three".