312030030320 has 40 divisors (see below), whose sum is σ = 725499989136. Its totient is φ = 124806821888.

The previous prime is 312030030283. The next prime is 312030030329. The reversal of 312030030320 is 23030030213.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312030030329) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2282624 + ... + 2415456.

Almost surely, 2^312030030320 is an apocalyptic number.

It is an amenable number.

312030030320 is an abundant number, since it is smaller than the sum of its proper divisors (413469958816).

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

312030030320 is a wasteful number, since it uses less digits than its factorization.

312030030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162209 (or 162203 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 312030030320 its reverse (23030030213), we get a palindrome (335060060533).

The spelling of 312030030320 in words is "three hundred twelve billion, thirty million, thirty thousand, three hundred twenty".