34431203447 has 2 divisors, whose sum is σ = 34431203448. Its totient is φ = 34431203446.

The previous prime is 34431203393. The next prime is 34431203467. The reversal of 34431203447 is 74430213443.

It is a strong prime.

It is an emirp because it is prime and its reverse (74430213443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34431203447 - 2²⁴ = 34414426231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34431203467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17215601723 + 17215601724.

It is an arithmetic number, because the mean of its divisors is an integer number (17215601724).

Almost surely, 2^34431203447 is an apocalyptic number.

34431203447 is a deficient number, since it is larger than the sum of its proper divisors (1).

34431203447 is an equidigital number, since it uses as much as digits as its factorization.

34431203447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 35.

The spelling of 34431203447 in words is "thirty-four billion, four hundred thirty-one million, two hundred three thousand, four hundred forty-seven".