431343413 has 2 divisors, whose sum is σ = 431343414. Its totient is φ = 431343412.

The previous prime is 431343391. The next prime is 431343421. The reversal of 431343413 is 314343134.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352613284 + 78730129 = 18778^2 + 8873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-431343413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431343443) 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 as a sum of consecutive naturals, namely, 215671706 + 215671707.

It is an arithmetic number, because the mean of its divisors is an integer number (215671707).

Almost surely, 2^431343413 is an apocalyptic number.

It is an amenable number.

431343413 is a deficient number, since it is larger than the sum of its proper divisors (1).

431343413 is an equidigital number, since it uses as much as digits as its factorization.

431343413 is an odious number, because the sum of its binary digits is odd.

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

The square root of 431343413 is about 20768.8086562518. The cubic root of 431343413 is about 755.5694506584.

Adding to 431343413 its reverse (314343134), we get a palindrome (745686547).

The spelling of 431343413 in words is "four hundred thirty-one million, three hundred forty-three thousand, four hundred thirteen".