431243534297 has 2 divisors, whose sum is σ = 431243534298. Its totient is φ = 431243534296.

The previous prime is 431243534279. The next prime is 431243534317. The reversal of 431243534297 is 792435342134.

It is a happy number.

Together with previous prime (431243534279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423346723801 + 7896810496 = 650651^2 + 88864^2 .

It is a cyclic number.

It is not a de Polignac number, because 431243534297 - 2¹⁸ = 431243272153 is a prime.

It is not a weakly prime, because it can be changed into another prime (431243534237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215621767148 + 215621767149.

It is an arithmetic number, because the mean of its divisors is an integer number (215621767149).

Almost surely, 2^431243534297 is an apocalyptic number.

It is an amenable number.

431243534297 is a deficient number, since it is larger than the sum of its proper divisors (1).

431243534297 is an equidigital number, since it uses as much as digits as its factorization.

431243534297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 47.

The spelling of 431243534297 in words is "four hundred thirty-one billion, two hundred forty-three million, five hundred thirty-four thousand, two hundred ninety-seven".