211311010231 has 16 divisors (see below), whose sum is σ = 221322786048. Its totient is φ = 201517056000.

The previous prime is 211311010219. The next prime is 211311010243. The reversal of 211311010231 is 132010113112.

It is a happy number.

211311010231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (211311010219) and next prime (211311010243).

It is a cyclic number.

It is not a de Polignac number, because 211311010231 - 2²⁷ = 211176792503 is a prime.

It is a super-2 number, since 2×211311010231² (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 (211311010331) 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 15 ways as a sum of consecutive naturals, for example, 549831 + ... + 851431.

It is an arithmetic number, because the mean of its divisors is an integer number (13832674128).

Almost surely, 2^211311010231 is an apocalyptic number.

211311010231 is a deficient number, since it is larger than the sum of its proper divisors (10011775817).

211311010231 is a wasteful number, since it uses less digits than its factorization.

211311010231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301962.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 211311010231 its reverse (132010113112), we get a palindrome (343321123343).

The spelling of 211311010231 in words is "two hundred eleven billion, three hundred eleven million, ten thousand, two hundred thirty-one".