211315001 has 4 divisors (see below), whose sum is σ = 211371600. Its totient is φ = 211258404.

The previous prime is 211314997. The next prime is 211315021. The reversal of 211315001 is 100513112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 211315001 - 2² = 211314997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211315021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22271 + ... + 30308.

It is an arithmetic number, because the mean of its divisors is an integer number (52842900).

Almost surely, 2^211315001 is an apocalyptic number.

It is an amenable number.

211315001 is a deficient number, since it is larger than the sum of its proper divisors (56599).

211315001 is an equidigital number, since it uses as much as digits as its factorization.

211315001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56598.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 211315001 is about 14536.6777841431. The cubic root of 211315001 is about 595.6302912956.

Adding to 211315001 its reverse (100513112), we get a palindrome (311828113).

The spelling of 211315001 in words is "two hundred eleven million, three hundred fifteen thousand, one".