430131397 has 2 divisors, whose sum is σ = 430131398. Its totient is φ = 430131396.

The previous prime is 430131343. The next prime is 430131439. The reversal of 430131397 is 793131034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 365344996 + 64786401 = 19114^2 + 8049^2 .

It is a cyclic number.

It is not a de Polignac number, because 430131397 - 2¹⁵ = 430098629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (430131337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215065698 + 215065699.

It is an arithmetic number, because the mean of its divisors is an integer number (215065699).

Almost surely, 2^430131397 is an apocalyptic number.

It is an amenable number.

430131397 is a deficient number, since it is larger than the sum of its proper divisors (1).

430131397 is an equidigital number, since it uses as much as digits as its factorization.

430131397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 430131397 is about 20739.6093743349. The cubic root of 430131397 is about 754.8611045167.

The spelling of 430131397 in words is "four hundred thirty million, one hundred thirty-one thousand, three hundred ninety-seven".