230131331 has 4 divisors (see below), whose sum is σ = 230465064. Its totient is φ = 229797600.

The previous prime is 230131309. The next prime is 230131333. The reversal of 230131331 is 133131032.

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 230131331 - 2⁶ = 230131267 is a prime.

It is a super-2 number, since 2×230131331² = 105920859015663122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230131333) 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, 165830 + ... + 167211.

It is an arithmetic number, because the mean of its divisors is an integer number (57616266).

Almost surely, 2^230131331 is an apocalyptic number.

230131331 is a deficient number, since it is larger than the sum of its proper divisors (333733).

230131331 is an equidigital number, since it uses as much as digits as its factorization.

230131331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333732.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 230131331 is about 15170.0801250356. The cubic root of 230131331 is about 612.8091620403.

Adding to 230131331 its reverse (133131032), we get a palindrome (363262363).

The spelling of 230131331 in words is "two hundred thirty million, one hundred thirty-one thousand, three hundred thirty-one".