230213133 has 12 divisors (see below), whose sum is σ = 352090908. Its totient is φ = 144447360.

The previous prime is 230213131. The next prime is 230213143. The reversal of 230213133 is 331312032.

230213133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 78110244 + 152102889 = 8838^2 + 12333^2 .

It is not a de Polignac number, because 230213133 - 2¹ = 230213131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230213131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 752178 + ... + 752483.

It is an arithmetic number, because the mean of its divisors is an integer number (29340909).

Almost surely, 2^230213133 is an apocalyptic number.

It is an amenable number.

230213133 is a deficient number, since it is larger than the sum of its proper divisors (121877775).

230213133 is a wasteful number, since it uses less digits than its factorization.

230213133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504684 (or 1504681 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 230213133 is about 15172.7760479090. The cubic root of 230213133 is about 612.8817627251.

Adding to 230213133 its reverse (331312032), we get a palindrome (561525165).

The spelling of 230213133 in words is "two hundred thirty million, two hundred thirteen thousand, one hundred thirty-three".