130431424 has 28 divisors (see below), whose sum is σ = 259331968. Its totient is φ = 65088000.

The previous prime is 130431407. The next prime is 130431437. The reversal of 130431424 is 424134031.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130431395 and 130431404.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 36769 + ... + 40159.

It is an arithmetic number, because the mean of its divisors is an integer number (9261856).

Almost surely, 2^130431424 is an apocalyptic number.

It is an amenable number.

130431424 is a deficient number, since it is larger than the sum of its proper divisors (128900544).

130431424 is an equidigital number, since it uses as much as digits as its factorization.

130431424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004 (or 3994 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 130431424 is about 11420.6577744016. The cubic root of 130431424 is about 507.1394694024.

Adding to 130431424 its reverse (424134031), we get a palindrome (554565455).

The spelling of 130431424 in words is "one hundred thirty million, four hundred thirty-one thousand, four hundred twenty-four".