230311033 has 4 divisors (see below), whose sum is σ = 230971300. Its totient is φ = 229650768.

The previous prime is 230311031. The next prime is 230311057. The reversal of 230311033 is 330113032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 67289209 + 163021824 = 8203^2 + 12768^2 .

It is a cyclic number.

It is not a de Polignac number, because 230311033 - 2¹ = 230311031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230310998 and 230311016.

It is not an unprimeable number, because it can be changed into a prime (230311031) 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, 329610 + ... + 330307.

It is an arithmetic number, because the mean of its divisors is an integer number (57742825).

Almost surely, 2^230311033 is an apocalyptic number.

It is an amenable number.

230311033 is a deficient number, since it is larger than the sum of its proper divisors (660267).

230311033 is an equidigital number, since it uses as much as digits as its factorization.

230311033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660266.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 230311033 is about 15176.0018779651. The cubic root of 230311033 is about 612.9686280579.

Adding to 230311033 its reverse (330113032), we get a palindrome (560424065).

The spelling of 230311033 in words is "two hundred thirty million, three hundred eleven thousand, thirty-three".