230720211 has 32 divisors (see below), whose sum is σ = 364416000. Its totient is φ = 143848224.

The previous prime is 230720177. The next prime is 230720221. The reversal of 230720211 is 112027032.

It is not a de Polignac number, because 230720211 - 2¹⁹ = 230195923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230720221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37681 + ... + 43373.

It is an arithmetic number, because the mean of its divisors is an integer number (11388000).

Almost surely, 2^230720211 is an apocalyptic number.

230720211 is a deficient number, since it is larger than the sum of its proper divisors (133695789).

230720211 is a wasteful number, since it uses less digits than its factorization.

230720211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5800 (or 5794 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 230720211 is about 15189.4769824375. The cubic root of 230720211 is about 613.3314198966.

Adding to 230720211 its reverse (112027032), we get a palindrome (342747243).

The spelling of 230720211 in words is "two hundred thirty million, seven hundred twenty thousand, two hundred eleven".