201434211 has 12 divisors (see below), whose sum is σ = 317411640. Its totient is φ = 122081280.

The previous prime is 201434209. The next prime is 201434221. The reversal of 201434211 is 112434102.

201434211 is a `hidden beast` number, since 20 + 1 + 434 + 211 = 666.

It is not a de Polignac number, because 201434211 - 2¹ = 201434209 is a prime.

It is a super-2 number, since 2×201434211² = 81151482722385042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201434221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1017246 + ... + 1017443.

It is an arithmetic number, because the mean of its divisors is an integer number (26450970).

Almost surely, 2^201434211 is an apocalyptic number.

201434211 is a deficient number, since it is larger than the sum of its proper divisors (115977429).

201434211 is a wasteful number, since it uses less digits than its factorization.

201434211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2034706 (or 2034703 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 201434211 is about 14192.7520587094. The cubic root of 201434211 is about 586.1981055866.

Adding to 201434211 its reverse (112434102), we get a palindrome (313868313).

The spelling of 201434211 in words is "two hundred one million, four hundred thirty-four thousand, two hundred eleven".