211323311132331 has 8 divisors (see below), whose sum is σ = 281836311877120. Its totient is φ = 140846258904552.

The previous prime is 211323311132317. The next prime is 211323311132333. The reversal of 211323311132331 is 133231113323112.

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

It is not a de Polignac number, because 211323311132331 - 2⁷ = 211323311132203 is a prime.

It is a super-2 number, since 2×211323311132331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211323311132333) 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, 8987115535 + ... + 8987139048.

It is an arithmetic number, because the mean of its divisors is an integer number (35229538984640).

Almost surely, 2^{211323311132331} is an apocalyptic number.

211323311132331 is a deficient number, since it is larger than the sum of its proper divisors (70513000744789).

211323311132331 is a wasteful number, since it uses less digits than its factorization.

211323311132331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974258505.

The product of its digits is 5832, while the sum is 30.

Adding to 211323311132331 its reverse (133231113323112), we get a palindrome (344554424455443).

The spelling of 211323311132331 in words is "two hundred eleven trillion, three hundred twenty-three billion, three hundred eleven million, one hundred thirty-two thousand, three hundred thirty-one".