130331312 has 10 divisors (see below), whose sum is σ = 252516948. Its totient is φ = 65165648.

The previous prime is 130331303. The next prime is 130331339. The reversal of 130331312 is 213133031.

130331312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4072838 + ... + 4072869.

Almost surely, 2^130331312 is an apocalyptic number.

It is an amenable number.

130331312 is a deficient number, since it is larger than the sum of its proper divisors (122185636).

130331312 is an equidigital number, since it uses as much as digits as its factorization.

130331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145715 (or 8145709 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 130331312 is about 11416.2739981134. The cubic root of 130331312 is about 507.0096853872.

Adding to 130331312 its reverse (213133031), we get a palindrome (343464343).

The spelling of 130331312 in words is "one hundred thirty million, three hundred thirty-one thousand, three hundred twelve".