230420143331 has 4 divisors (see below), whose sum is σ = 263337306672. Its totient is φ = 197502979992.

The previous prime is 230420143273. The next prime is 230420143333. The reversal of 230420143331 is 133341024032.

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 230420143331 - 2⁶ = 230420143267 is a prime.

It is a super-2 number, since 2×230420143331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230420143331.

It is not an unprimeable number, because it can be changed into a prime (230420143333) 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, 16458581660 + ... + 16458581673.

It is an arithmetic number, because the mean of its divisors is an integer number (65834326668).

Almost surely, 2^230420143331 is an apocalyptic number.

230420143331 is a deficient number, since it is larger than the sum of its proper divisors (32917163341).

230420143331 is an equidigital number, since it uses as much as digits as its factorization.

230420143331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32917163340.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 230420143331 its reverse (133341024032), we get a palindrome (363761167363).

The spelling of 230420143331 in words is "two hundred thirty billion, four hundred twenty million, one hundred forty-three thousand, three hundred thirty-one".