211131214134 has 16 divisors (see below), whose sum is σ = 422858011440. Its totient is φ = 70277807520.

The previous prime is 211131214123. The next prime is 211131214163. The reversal of 211131214134 is 431412131112.

It is a super-2 number, since 2×211131214134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24811357 + ... + 24819864.

It is an arithmetic number, because the mean of its divisors is an integer number (26428625715).

Almost surely, 2^211131214134 is an apocalyptic number.

211131214134 is an abundant number, since it is smaller than the sum of its proper divisors (211726797306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211131214134 is a wasteful number, since it uses less digits than its factorization.

211131214134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49631935.

The product of its digits is 576, while the sum is 24.

Adding to 211131214134 its reverse (431412131112), we get a palindrome (642543345246).

The spelling of 211131214134 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred fourteen thousand, one hundred thirty-four".