230005531 has 16 divisors (see below), whose sum is σ = 274373568. Its totient is φ = 188697600.

The previous prime is 230005453. The next prime is 230005547. The reversal of 230005531 is 135500032.

It is not a de Polignac number, because 230005531 - 2¹¹ = 230003483 is a prime.

It is a super-3 number, since 3×230005531³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 230005499 and 230005508.

It is not an unprimeable number, because it can be changed into a prime (230005571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7651 + ... + 22771.

It is an arithmetic number, because the mean of its divisors is an integer number (17148348).

Almost surely, 2^230005531 is an apocalyptic number.

230005531 is a deficient number, since it is larger than the sum of its proper divisors (44368037).

230005531 is a wasteful number, since it uses less digits than its factorization.

230005531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 230005531 is about 15165.9332386767. The cubic root of 230005531 is about 612.6974787916.

Adding to 230005531 its reverse (135500032), we get a palindrome (365505563).

The spelling of 230005531 in words is "two hundred thirty million, five thousand, five hundred thirty-one".