230231011 has 4 divisors (see below), whose sum is σ = 230510232. Its totient is φ = 229951792.

The previous prime is 230231003. The next prime is 230231021. The reversal of 230231011 is 110132032.

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 230231011 - 2³ = 230231003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230230982 and 230231000.

It is not an unprimeable number, because it can be changed into a prime (230231021) 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, 138370 + ... + 140023.

It is an arithmetic number, because the mean of its divisors is an integer number (57627558).

Almost surely, 2^230231011 is an apocalyptic number.

230231011 is a deficient number, since it is larger than the sum of its proper divisors (279221).

230231011 is an equidigital number, since it uses as much as digits as its factorization.

230231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279220.

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

The square root of 230231011 is about 15173.3651837686. The cubic root of 230231011 is about 612.8976274680.

Adding to 230231011 its reverse (110132032), we get a palindrome (340363043).

The spelling of 230231011 in words is "two hundred thirty million, two hundred thirty-one thousand, eleven".