211013304 has 64 divisors (see below), whose sum is σ = 537062400. Its totient is φ = 69079296.

The previous prime is 211013303. The next prime is 211013317. The reversal of 211013304 is 403310112.

It is a super-2 number, since 2×211013304² = 89053228929992832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211013303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476107 + ... + 476549.

It is an arithmetic number, because the mean of its divisors is an integer number (8391600).

Almost surely, 2^211013304 is an apocalyptic number.

211013304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211013304 is an abundant number, since it is smaller than the sum of its proper divisors (326049096).

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

211013304 is a wasteful number, since it uses less digits than its factorization.

211013304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 211013304 is about 14526.2969816812. The cubic root of 211013304 is about 595.3466934142.

Adding to 211013304 its reverse (403310112), we get a palindrome (614323416).

The spelling of 211013304 in words is "two hundred eleven million, thirteen thousand, three hundred four".