420130431 has 12 divisors (see below), whose sum is σ = 693548752. Its totient is φ = 240074496.

The previous prime is 420130427. The next prime is 420130441. The reversal of 420130431 is 134031024.

420130431 is a `hidden beast` number, since 4 + 201 + 30 + 431 = 666.

It is not a de Polignac number, because 420130431 - 2² = 420130427 is a prime.

It is a super-2 number, since 2×420130431² = 353019158104491522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420130441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3334306 + ... + 3334431.

Almost surely, 2^420130431 is an apocalyptic number.

420130431 is a deficient number, since it is larger than the sum of its proper divisors (273418321).

420130431 is a wasteful number, since it uses less digits than its factorization.

420130431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668750 (or 6668747 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 420130431 is about 20497.0834754606. The cubic root of 420130431 is about 748.9647530090.

Adding to 420130431 its reverse (134031024), we get a palindrome (554161455).

The spelling of 420130431 in words is "four hundred twenty million, one hundred thirty thousand, four hundred thirty-one".