312232032130 has 8 divisors (see below), whose sum is σ = 562017657852. Its totient is φ = 124892812848.

The previous prime is 312232032041. The next prime is 312232032139. The reversal of 312232032130 is 31230232213.

It can be written as a sum of positive squares in 2 ways, for example, as 307662136929 + 4569895201 = 554673^2 + 67601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (312232032139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15611601597 + ... + 15611601616.

Almost surely, 2^312232032130 is an apocalyptic number.

312232032130 is a deficient number, since it is larger than the sum of its proper divisors (249785625722).

312232032130 is a wasteful number, since it uses less digits than its factorization.

312232032130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31223203220.

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

Adding to 312232032130 its reverse (31230232213), we get a palindrome (343462264343).

The spelling of 312232032130 in words is "three hundred twelve billion, two hundred thirty-two million, thirty-two thousand, one hundred thirty".