130331304 has 48 divisors (see below), whose sum is σ = 353545920. Its totient is φ = 43374240.

The previous prime is 130331303. The next prime is 130331339. The reversal of 130331304 is 403133031.

130331304 is a `hidden beast` number, since 1 + 30 + 331 + 304 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130331303) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 64599 + ... + 66585.

It is an arithmetic number, because the mean of its divisors is an integer number (7365540).

Almost surely, 2^130331304 is an apocalyptic number.

It is an amenable number.

130331304 is an abundant number, since it is smaller than the sum of its proper divisors (223214616).

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

130331304 is a wasteful number, since it uses less digits than its factorization.

130331304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910 (or 2903 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 130331304 is about 11416.2736477364. The cubic root of 130331304 is about 507.0096750135.

Adding to 130331304 its reverse (403133031), we get a palindrome (533464335).

The spelling of 130331304 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred four".