211313070 has 32 divisors (see below), whose sum is σ = 563502240. Its totient is φ = 56350080.

The previous prime is 211313021. The next prime is 211313083. The reversal of 211313070 is 70313112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 391051 + ... + 391590.

It is an arithmetic number, because the mean of its divisors is an integer number (17609445).

Almost surely, 2^211313070 is an apocalyptic number.

211313070 is an abundant number, since it is smaller than the sum of its proper divisors (352189170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211313070 is a wasteful number, since it uses less digits than its factorization.

211313070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782657 (or 782651 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 211313070 is about 14536.6113657895. The cubic root of 211313070 is about 595.6284769969.

Adding to 211313070 its reverse (70313112), we get a palindrome (281626182).

The spelling of 211313070 in words is "two hundred eleven million, three hundred thirteen thousand, seventy".