211013223231 has 32 divisors (see below), whose sum is σ = 307472129280. Its totient is φ = 128213623296.

The previous prime is 211013223119. The next prime is 211013223251. The reversal of 211013223231 is 132322310112.

211013223231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211013223231 - 2²² = 211009028927 is a prime.

It is a super-2 number, since 2×211013223231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211013223198 and 211013223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211013223251) 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 31 ways as a sum of consecutive naturals, for example, 321736 + ... + 724941.

It is an arithmetic number, because the mean of its divisors is an integer number (9608504040).

Almost surely, 2^211013223231 is an apocalyptic number.

211013223231 is a deficient number, since it is larger than the sum of its proper divisors (96458906049).

211013223231 is a wasteful number, since it uses less digits than its factorization.

211013223231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046823.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 211013223231 its reverse (132322310112), we get a palindrome (343335533343).

The spelling of 211013223231 in words is "two hundred eleven billion, thirteen million, two hundred twenty-three thousand, two hundred thirty-one".