230031211 has 4 divisors (see below), whose sum is σ = 240032592. Its totient is φ = 220029832.

The previous prime is 230031169. The next prime is 230031251. The reversal of 230031211 is 112130032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230031211 - 2²¹ = 227934059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230031191 and 230031200.

It is not an unprimeable number, because it can be changed into a prime (230031251) 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, 5000656 + ... + 5000701.

It is an arithmetic number, because the mean of its divisors is an integer number (60008148).

Almost surely, 2^230031211 is an apocalyptic number.

230031211 is a deficient number, since it is larger than the sum of its proper divisors (10001381).

230031211 is a wasteful number, since it uses less digits than its factorization.

230031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001380.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 230031211 is about 15166.7798493945. The cubic root of 230031211 is about 612.7202803965.

Adding to 230031211 its reverse (112130032), we get a palindrome (342161243).

The spelling of 230031211 in words is "two hundred thirty million, thirty-one thousand, two hundred eleven".