431043231347 has 2 divisors, whose sum is σ = 431043231348. Its totient is φ = 431043231346.

The previous prime is 431043231293. The next prime is 431043231391. The reversal of 431043231347 is 743132340134.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 431043231347 - 2²⁶ = 430976122483 is a prime.

It is not a weakly prime, because it can be changed into another prime (431043231847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215521615673 + 215521615674.

It is an arithmetic number, because the mean of its divisors is an integer number (215521615674).

Almost surely, 2^431043231347 is an apocalyptic number.

431043231347 is a deficient number, since it is larger than the sum of its proper divisors (1).

431043231347 is an equidigital number, since it uses as much as digits as its factorization.

431043231347 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 35.

The spelling of 431043231347 in words is "four hundred thirty-one billion, forty-three million, two hundred thirty-one thousand, three hundred forty-seven".