211241434 has 4 divisors (see below), whose sum is σ = 316862154. Its totient is φ = 105620716.

The previous prime is 211241363. The next prime is 211241447. The reversal of 211241434 is 434142112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 183521209 + 27720225 = 13547^2 + 5265^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52810357 + ... + 52810360.

Almost surely, 2^211241434 is an apocalyptic number.

211241434 is a deficient number, since it is larger than the sum of its proper divisors (105620720).

211241434 is a wasteful number, since it uses less digits than its factorization.

211241434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105620719.

The product of its digits is 768, while the sum is 22.

The square root of 211241434 is about 14534.1471714029. The cubic root of 211241434 is about 595.5611625551.

Adding to 211241434 its reverse (434142112), we get a palindrome (645383546).

The spelling of 211241434 in words is "two hundred eleven million, two hundred forty-one thousand, four hundred thirty-four".