312330231312 has 160 divisors (see below), whose sum is σ = 910237741056. Its totient is φ = 91427059200.

The previous prime is 312330231307. The next prime is 312330231341. The reversal of 312330231312 is 213132033213.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9198238 + ... + 9232130.

Almost surely, 2^312330231312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312330231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455118870528).

312330231312 is an abundant number, since it is smaller than the sum of its proper divisors (597907509744).

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

312330231312 is a wasteful number, since it uses less digits than its factorization.

312330231312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34509 (or 34503 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 312330231312 its reverse (213132033213), we get a palindrome (525462264525).

The spelling of 312330231312 in words is "three hundred twelve billion, three hundred thirty million, two hundred thirty-one thousand, three hundred twelve".