211003022330231 has 4 divisors (see below), whose sum is σ = 211026563901432. Its totient is φ = 210979480759032.

The previous prime is 211003022330209. The next prime is 211003022330329. The reversal of 211003022330231 is 132033220300112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211003022330231 - 2¹⁴ = 211003022313847 is a prime.

It is a super-2 number, since 2×211003022330231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211003022330197 and 211003022330206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211003022330131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11770772156 + ... + 11770790081.

It is an arithmetic number, because the mean of its divisors is an integer number (52756640975358).

Almost surely, 2^{211003022330231} is an apocalyptic number.

211003022330231 is a deficient number, since it is larger than the sum of its proper divisors (23541571201).

211003022330231 is an equidigital number, since it uses as much as digits as its factorization.

211003022330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23541571200.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 211003022330231 its reverse (132033220300112), we get a palindrome (343036242630343).

The spelling of 211003022330231 in words is "two hundred eleven trillion, three billion, twenty-two million, three hundred thirty thousand, two hundred thirty-one".