230645131 has 8 divisors (see below), whose sum is σ = 239120784. Its totient is φ = 222305280.

The previous prime is 230645113. The next prime is 230645143. The reversal of 230645131 is 131546032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230645131 - 2²³ = 222256523 is a prime.

It is a super-2 number, since 2×230645131² = 106394352908014322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230645096 and 230645105.

It is not an unprimeable number, because it can be changed into a prime (230645111) 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 in 7 ways as a sum of consecutive naturals, for example, 30486 + ... + 37291.

It is an arithmetic number, because the mean of its divisors is an integer number (29890098).

Almost surely, 2^230645131 is an apocalyptic number.

230645131 is a deficient number, since it is larger than the sum of its proper divisors (8475653).

230645131 is an equidigital number, since it uses as much as digits as its factorization.

230645131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67901.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 230645131 is about 15187.0053335080. The cubic root of 230645131 is about 613.2648834357.

Subtracting from 230645131 its reverse (131546032), we obtain a palindrome (99099099).

The spelling of 230645131 in words is "two hundred thirty million, six hundred forty-five thousand, one hundred thirty-one".