211210310231 has 8 divisors (see below), whose sum is σ = 218945978640. Its totient is φ = 203581340928.

The previous prime is 211210310209. The next prime is 211210310237. The reversal of 211210310231 is 132013012112.

211210310231 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 a de Polignac number, because none of the positive numbers 2^k-211210310231 is a prime.

It is a super-2 number, since 2×211210310231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210310237) 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, 26670746 + ... + 26678663.

It is an arithmetic number, because the mean of its divisors is an integer number (27368247330).

Almost surely, 2^211210310231 is an apocalyptic number.

211210310231 is a deficient number, since it is larger than the sum of its proper divisors (7735668409).

211210310231 is a wasteful number, since it uses less digits than its factorization.

211210310231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53349553.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 211210310231 its reverse (132013012112), we get a palindrome (343223322343).

The spelling of 211210310231 in words is "two hundred eleven billion, two hundred ten million, three hundred ten thousand, two hundred thirty-one".