230340431 has 4 divisors (see below), whose sum is σ = 230518512. Its totient is φ = 230162352.

The previous prime is 230340427. The next prime is 230340493. The reversal of 230340431 is 134043032.

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 230340431 - 2² = 230340427 is a prime.

It is a super-2 number, since 2×230340431² = 106113428306531522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230340031) 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 3 ways as a sum of consecutive naturals, for example, 87086 + ... + 89691.

It is an arithmetic number, because the mean of its divisors is an integer number (57629628).

Almost surely, 2^230340431 is an apocalyptic number.

230340431 is a deficient number, since it is larger than the sum of its proper divisors (178081).

230340431 is a wasteful number, since it uses less digits than its factorization.

230340431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178080.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 230340431 is about 15176.9704157319. The cubic root of 230340431 is about 612.9947076959.

Adding to 230340431 its reverse (134043032), we get a palindrome (364383463).

The spelling of 230340431 in words is "two hundred thirty million, three hundred forty thousand, four hundred thirty-one".