230211311 has 8 divisors (see below), whose sum is σ = 256483584. Its totient is φ = 204829720.

The previous prime is 230211287. The next prime is 230211329. The reversal of 230211311 is 113112032.

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

It is a cyclic number.

It is not a de Polignac number, because 230211311 - 2¹⁰ = 230210287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230211211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222125 + ... + 223158.

It is an arithmetic number, because the mean of its divisors is an integer number (32060448).

Almost surely, 2^230211311 is an apocalyptic number.

230211311 is a deficient number, since it is larger than the sum of its proper divisors (26272273).

230211311 is a wasteful number, since it uses less digits than its factorization.

230211311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445341.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 230211311 is about 15172.7160060419. The cubic root of 230211311 is about 612.8801458560.

Adding to 230211311 its reverse (113112032), we get a palindrome (343323343).

The spelling of 230211311 in words is "two hundred thirty million, two hundred eleven thousand, three hundred eleven".