431302042243 has 2 divisors, whose sum is σ = 431302042244. Its totient is φ = 431302042242.

The previous prime is 431302042231. The next prime is 431302042309. The reversal of 431302042243 is 342240203134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 431302042243 - 2⁵ = 431302042211 is a prime.

It is not a weakly prime, because it can be changed into another prime (431302442243) 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 as a sum of consecutive naturals, namely, 215651021121 + 215651021122.

It is an arithmetic number, because the mean of its divisors is an integer number (215651021122).

Almost surely, 2^431302042243 is an apocalyptic number.

431302042243 is a deficient number, since it is larger than the sum of its proper divisors (1).

431302042243 is an equidigital number, since it uses as much as digits as its factorization.

431302042243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 431302042243 its reverse (342240203134), we get a palindrome (773542245377).

The spelling of 431302042243 in words is "four hundred thirty-one billion, three hundred two million, forty-two thousand, two hundred forty-three".