211340007 has 12 divisors (see below), whose sum is σ = 305724744. Its totient is φ = 140682960.

The previous prime is 211339993. The next prime is 211340009. The reversal of 211340007 is 700043112.

It is not a de Polignac number, because 211340007 - 2⁷ = 211339879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211340009) 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, 11044 + ... + 23337.

It is an arithmetic number, because the mean of its divisors is an integer number (25477062).

Almost surely, 2^211340007 is an apocalyptic number.

211340007 is a deficient number, since it is larger than the sum of its proper divisors (94384737).

211340007 is a wasteful number, since it uses less digits than its factorization.

211340007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35070 (or 35067 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 211340007 is about 14537.5378589361. The cubic root of 211340007 is about 595.6537850428.

Adding to 211340007 its reverse (700043112), we get a palindrome (911383119).

The spelling of 211340007 in words is "two hundred eleven million, three hundred forty thousand, seven".