130342312 has 8 divisors (see below), whose sum is σ = 244391850. Its totient is φ = 65171152.

The previous prime is 130342301. The next prime is 130342313. The reversal of 130342312 is 213243031.

It can be written as a sum of positive squares in only one way, i.e., 108868356 + 21473956 = 10434^2 + 4634^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 130342312.

It is not an unprimeable number, because it can be changed into a prime (130342313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8146387 + ... + 8146402.

Almost surely, 2^130342312 is an apocalyptic number.

It is an amenable number.

130342312 is a deficient number, since it is larger than the sum of its proper divisors (114049538).

130342312 is a wasteful number, since it uses less digits than its factorization.

130342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16292795 (or 16292791 counting only the distinct ones).

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

The square root of 130342312 is about 11416.7557563434. The cubic root of 130342312 is about 507.0239489068.

Adding to 130342312 its reverse (213243031), we get a palindrome (343585343).

The spelling of 130342312 in words is "one hundred thirty million, three hundred forty-two thousand, three hundred twelve".