211331114 has 16 divisors (see below), whose sum is σ = 339691968. Its totient is φ = 98250432.

The previous prime is 211331093. The next prime is 211331117. The reversal of 211331114 is 411133112.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 211331092 and 211331101.

It is not an unprimeable number, because it can be changed into a prime (211331117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34622 + ... + 40265.

It is an arithmetic number, because the mean of its divisors is an integer number (21230748).

Almost surely, 2^211331114 is an apocalyptic number.

211331114 is a deficient number, since it is larger than the sum of its proper divisors (128360854).

211331114 is a wasteful number, since it uses less digits than its factorization.

211331114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74989.

The product of its digits is 72, while the sum is 17.

The square root of 211331114 is about 14537.2319923705. The cubic root of 211331114 is about 595.6454300646.

Adding to 211331114 its reverse (411133112), we get a palindrome (622464226).

The spelling of 211331114 in words is "two hundred eleven million, three hundred thirty-one thousand, one hundred fourteen".