130431224 has 48 divisors (see below), whose sum is σ = 307230000. Its totient is φ = 50814720.

The previous prime is 130431199. The next prime is 130431271. The reversal of 130431224 is 422134031.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 130431196 and 130431205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2849 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (6400625).

Almost surely, 2^130431224 is an apocalyptic number.

130431224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

130431224 is an abundant number, since it is smaller than the sum of its proper divisors (176798776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130431224 is a wasteful number, since it uses less digits than its factorization.

130431224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19284 (or 19269 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 130431224 is about 11420.6490183352. The cubic root of 130431224 is about 507.1392101909.

Adding to 130431224 its reverse (422134031), we get a palindrome (552565255).

The spelling of 130431224 in words is "one hundred thirty million, four hundred thirty-one thousand, two hundred twenty-four".