211315648 has 14 divisors (see below), whose sum is σ = 419329616. Its totient is φ = 105657792.

The previous prime is 211315633. The next prime is 211315649. The reversal of 211315648 is 846513112.

It is a super-3 number, since 3×211315648³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211315649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650840 + ... + 1650967.

Almost surely, 2^211315648 is an apocalyptic number.

It is an amenable number.

211315648 is a deficient number, since it is larger than the sum of its proper divisors (208013968).

211315648 is an equidigital number, since it uses as much as digits as its factorization.

211315648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301819 (or 3301809 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 211315648 is about 14536.7000381792. The cubic root of 211315648 is about 595.6308991913.

The spelling of 211315648 in words is "two hundred eleven million, three hundred fifteen thousand, six hundred forty-eight".