230021331 has 16 divisors (see below), whose sum is σ = 310198560. Its totient is φ = 151603200.

The previous prime is 230021293. The next prime is 230021347. The reversal of 230021331 is 133120032.

It is not a de Polignac number, because 230021331 - 2¹³ = 230013139 is a prime.

It is a super-2 number, since 2×230021331² = 105819625430023122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230021331.

It is not an unprimeable number, because it can be changed into a prime (230021131) 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, 203175 + ... + 204303.

It is an arithmetic number, because the mean of its divisors is an integer number (19387410).

Almost surely, 2^230021331 is an apocalyptic number.

230021331 is a deficient number, since it is larger than the sum of its proper divisors (80177229).

230021331 is a wasteful number, since it uses less digits than its factorization.

230021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 230021331 is about 15166.4541340420. The cubic root of 230021331 is about 612.7115080173.

Adding to 230021331 its reverse (133120032), we get a palindrome (363141363).

The spelling of 230021331 in words is "two hundred thirty million, twenty-one thousand, three hundred thirty-one".