312130132232 has 16 divisors (see below), whose sum is σ = 605424825900. Its totient is φ = 150683512000.

The previous prime is 312130132229. The next prime is 312130132241. The reversal of 312130132232 is 232231031213.

It can be written as a sum of positive squares in 2 ways, for example, as 283571160196 + 28558972036 = 532514^2 + 168994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 312130132198 and 312130132207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672694019 + ... + 672694482.

Almost surely, 2^312130132232 is an apocalyptic number.

It is an amenable number.

312130132232 is a deficient number, since it is larger than the sum of its proper divisors (293294693668).

312130132232 is a wasteful number, since it uses less digits than its factorization.

312130132232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345388536 (or 1345388532 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 312130132232 its reverse (232231031213), we get a palindrome (544361163445).

The spelling of 312130132232 in words is "three hundred twelve billion, one hundred thirty million, one hundred thirty-two thousand, two hundred thirty-two".