430321231 has 2 divisors, whose sum is σ = 430321232. Its totient is φ = 430321230.

The previous prime is 430321223. The next prime is 430321249. The reversal of 430321231 is 132123034.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 430321231 - 2³ = 430321223 is a prime.

It is a super-2 number, since 2×430321231² = 370352723698710722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 430321199 and 430321208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430321201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215160615 + 215160616.

It is an arithmetic number, because the mean of its divisors is an integer number (215160616).

Almost surely, 2^430321231 is an apocalyptic number.

430321231 is a deficient number, since it is larger than the sum of its proper divisors (1).

430321231 is an equidigital number, since it uses as much as digits as its factorization.

430321231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 430321231 is about 20744.1854744890. The cubic root of 430321231 is about 754.9721382055.

Adding to 430321231 its reverse (132123034), we get a palindrome (562444265).

The spelling of 430321231 in words is "four hundred thirty million, three hundred twenty-one thousand, two hundred thirty-one".