230481133 has 2 divisors, whose sum is σ = 230481134. Its totient is φ = 230481132.

The previous prime is 230481109. The next prime is 230481169. The reversal of 230481133 is 331184032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136352329 + 94128804 = 11677^2 + 9702^2 .

It is a cyclic number.

It is not a de Polignac number, because 230481133 - 2⁵ = 230481101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 230481098 and 230481107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230401133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115240566 + 115240567.

It is an arithmetic number, because the mean of its divisors is an integer number (115240567).

Almost surely, 2^230481133 is an apocalyptic number.

It is an amenable number.

230481133 is a deficient number, since it is larger than the sum of its proper divisors (1).

230481133 is an equidigital number, since it uses as much as digits as its factorization.

230481133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 230481133 is about 15181.6050864196. The cubic root of 230481133 is about 613.1194969412.

The spelling of 230481133 in words is "two hundred thirty million, four hundred eighty-one thousand, one hundred thirty-three".