211314111231 has 16 divisors (see below), whose sum is σ = 282362250240. Its totient is φ = 140571124320.

The previous prime is 211314111227. The next prime is 211314111277. The reversal of 211314111231 is 132111413112.

It is a happy number.

It is not a de Polignac number, because 211314111231 - 2² = 211314111227 is a prime.

It is a super-2 number, since 2×211314111231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211314111198 and 211314111207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211314111131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13148941 + ... + 13165001.

It is an arithmetic number, because the mean of its divisors is an integer number (17647640640).

Almost surely, 2^211314111231 is an apocalyptic number.

211314111231 is a deficient number, since it is larger than the sum of its proper divisors (71048139009).

211314111231 is a wasteful number, since it uses less digits than its factorization.

211314111231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25286.

The product of its digits is 144, while the sum is 21.

Adding to 211314111231 its reverse (132111413112), we get a palindrome (343425524343).

The spelling of 211314111231 in words is "two hundred eleven billion, three hundred fourteen million, one hundred eleven thousand, two hundred thirty-one".