211031022323 has 32 divisors (see below), whose sum is σ = 241278953472. Its totient is φ = 182837491200.

The previous prime is 211031022313. The next prime is 211031022337. The reversal of 211031022323 is 323220130112.

It is a cyclic number.

It is not a de Polignac number, because 211031022323 - 2⁶ = 211031022259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211031022295 and 211031022304.

It is not an unprimeable number, because it can be changed into a prime (211031022313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6032240 + ... + 6067122.

It is an arithmetic number, because the mean of its divisors is an integer number (7539967296).

Almost surely, 2^211031022323 is an apocalyptic number.

211031022323 is a deficient number, since it is larger than the sum of its proper divisors (30247931149).

211031022323 is a wasteful number, since it uses less digits than its factorization.

211031022323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35195.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 211031022323 its reverse (323220130112), we get a palindrome (534251152435).

The spelling of 211031022323 in words is "two hundred eleven billion, thirty-one million, twenty-two thousand, three hundred twenty-three".