431304353 has 2 divisors, whose sum is σ = 431304354. Its totient is φ = 431304352.

The previous prime is 431304347. The next prime is 431304361. The reversal of 431304353 is 353403134.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255264529 + 176039824 = 15977^2 + 13268^2 .

It is a cyclic number.

It is not a de Polignac number, because 431304353 - 2¹² = 431300257 is a prime.

It is not a weakly prime, because it can be changed into another prime (431304553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215652176 + 215652177.

It is an arithmetic number, because the mean of its divisors is an integer number (215652177).

Almost surely, 2^431304353 is an apocalyptic number.

It is an amenable number.

431304353 is a deficient number, since it is larger than the sum of its proper divisors (1).

431304353 is an equidigital number, since it uses as much as digits as its factorization.

431304353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 26.

The square root of 431304353 is about 20767.8682825176. The cubic root of 431304353 is about 755.5466432828.

Adding to 431304353 its reverse (353403134), we get a palindrome (784707487).

The spelling of 431304353 in words is "four hundred thirty-one million, three hundred four thousand, three hundred fifty-three".