230433131 has 4 divisors (see below), whose sum is σ = 230501472. Its totient is φ = 230364792.

The previous prime is 230433109. The next prime is 230433143. The reversal of 230433131 is 131334032.

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 230433131 - 2¹⁸ = 230170987 is a prime.

It is a super-2 number, since 2×230433131² = 106198855724926322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230433191) 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, 28835 + ... + 35948.

It is an arithmetic number, because the mean of its divisors is an integer number (57625368).

Almost surely, 2^230433131 is an apocalyptic number.

230433131 is a deficient number, since it is larger than the sum of its proper divisors (68341).

230433131 is an equidigital number, since it uses as much as digits as its factorization.

230433131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68340.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 230433131 is about 15180.0240777148. The cubic root of 230433131 is about 613.0769294576.

Adding to 230433131 its reverse (131334032), we get a palindrome (361767163).

Subtracting from 230433131 its reverse (131334032), we obtain a palindrome (99099099).

The spelling of 230433131 in words is "two hundred thirty million, four hundred thirty-three thousand, one hundred thirty-one".