130331224 has 8 divisors (see below), whose sum is σ = 244371060. Its totient is φ = 65165608.

The previous prime is 130331219. The next prime is 130331239. The reversal of 130331224 is 422133031.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 8145694 + ... + 8145709.

Almost surely, 2^130331224 is an apocalyptic number.

It is an amenable number.

130331224 is a deficient number, since it is larger than the sum of its proper divisors (114039836).

130331224 is a wasteful number, since it uses less digits than its factorization.

130331224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16291409 (or 16291405 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 130331224 is about 11416.2701439656. The cubic root of 130331224 is about 507.0095712759.

Adding to 130331224 its reverse (422133031), we get a palindrome (552464255).

The spelling of 130331224 in words is "one hundred thirty million, three hundred thirty-one thousand, two hundred twenty-four".