430131439 has 2 divisors, whose sum is σ = 430131440. Its totient is φ = 430131438.

The previous prime is 430131397. The next prime is 430131463. The reversal of 430131439 is 934131034.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 430131439 - 2⁷ = 430131311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430131239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215065719 + 215065720.

It is an arithmetic number, because the mean of its divisors is an integer number (215065720).

Almost surely, 2^430131439 is an apocalyptic number.

430131439 is a deficient number, since it is larger than the sum of its proper divisors (1).

430131439 is an equidigital number, since it uses as much as digits as its factorization.

430131439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 430131439 is about 20739.6103868901. The cubic root of 430131439 is about 754.8611290861.

The spelling of 430131439 in words is "four hundred thirty million, one hundred thirty-one thousand, four hundred thirty-nine".