211513030 has 8 divisors (see below), whose sum is σ = 380723472. Its totient is φ = 84605208.

The previous prime is 211513021. The next prime is 211513033. The reversal of 211513030 is 30315112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211512995 and 211513013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211513033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10575642 + ... + 10575661.

It is an arithmetic number, because the mean of its divisors is an integer number (47590434).

Almost surely, 2^211513030 is an apocalyptic number.

211513030 is a deficient number, since it is larger than the sum of its proper divisors (169210442).

211513030 is a wasteful number, since it uses less digits than its factorization.

211513030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21151310.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 211513030 is about 14543.4875459774. The cubic root of 211513030 is about 595.8162936211.

Adding to 211513030 its reverse (30315112), we get a palindrome (241828142).

The spelling of 211513030 in words is "two hundred eleven million, five hundred thirteen thousand, thirty".