130331344 has 40 divisors (see below), whose sum is σ = 296668512. Its totient is φ = 54683520.

The previous prime is 130331339. The next prime is 130331351. The reversal of 130331344 is 443133031.

It is a happy number.

130331344 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 26194 + ... + 30769.

Almost surely, 2^130331344 is an apocalyptic number.

It is an amenable number.

130331344 is an abundant number, since it is smaller than the sum of its proper divisors (166337168).

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

130331344 is a wasteful number, since it uses less digits than its factorization.

130331344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56995 (or 56989 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 130331344 is about 11416.2753996214. The cubic root of 130331344 is about 507.0097268823.

Adding to 130331344 its reverse (443133031), we get a palindrome (573464375).

The spelling of 130331344 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred forty-four".