230130133 has 4 divisors (see below), whose sum is σ = 230440608. Its totient is φ = 229819660.

The previous prime is 230130127. The next prime is 230130151. The reversal of 230130133 is 331031032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 230130133 - 2⁵ = 230130101 is a prime.

It is a super-2 number, since 2×230130133² = 105919756229195378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230130163) 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, 154123 + ... + 155608.

It is an arithmetic number, because the mean of its divisors is an integer number (57610152).

Almost surely, 2^230130133 is an apocalyptic number.

It is an amenable number.

230130133 is a deficient number, since it is larger than the sum of its proper divisors (310475).

230130133 is an equidigital number, since it uses as much as digits as its factorization.

230130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310474.

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

The square root of 230130133 is about 15170.0406393655. The cubic root of 230130133 is about 612.8080986668.

Adding to 230130133 its reverse (331031032), we get a palindrome (561161165).

The spelling of 230130133 in words is "two hundred thirty million, one hundred thirty thousand, one hundred thirty-three".