211312311334142 has 16 divisors (see below), whose sum is σ = 317042057811312. Its totient is φ = 105631627058880.

The previous prime is 211312311334141. The next prime is 211312311334147. The reversal of 211312311334142 is 241433113213112.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 211312311334099 and 211312311334108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211312311334141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263594642 + ... + 264395082.

It is an arithmetic number, because the mean of its divisors is an integer number (19815128613207).

Almost surely, 2^{211312311334142} is an apocalyptic number.

211312311334142 is a deficient number, since it is larger than the sum of its proper divisors (105729746477170).

211312311334142 is a wasteful number, since it uses less digits than its factorization.

211312311334142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830923.

The product of its digits is 10368, while the sum is 32.

Adding to 211312311334142 its reverse (241433113213112), we get a palindrome (452745424547254).

The spelling of 211312311334142 in words is "two hundred eleven trillion, three hundred twelve billion, three hundred eleven million, three hundred thirty-four thousand, one hundred forty-two".