211311012134 has 16 divisors (see below), whose sum is σ = 319018797216. Its totient is φ = 104972025600.

The previous prime is 211311012113. The next prime is 211311012149. The reversal of 211311012134 is 431210113112.

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, 543044 + ... + 847064.

It is an arithmetic number, because the mean of its divisors is an integer number (19938674826).

Almost surely, 2^211311012134 is an apocalyptic number.

211311012134 is a deficient number, since it is larger than the sum of its proper divisors (107707785082).

211311012134 is a wasteful number, since it uses less digits than its factorization.

211311012134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306271.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211311012134 its reverse (431210113112), we get a palindrome (642521125246).

The spelling of 211311012134 in words is "two hundred eleven billion, three hundred eleven million, twelve thousand, one hundred thirty-four".