312420004230340 has 24 divisors (see below), whose sum is σ = 656102728374912. Its totient is φ = 124964055122400.

The previous prime is 312420004230319. The next prime is 312420004230343. The reversal of 312420004230340 is 43032400024213.

It is a junction number, because it is equal to n+sod(n) for n = 312420004230299 and 312420004230308.

It is not an unprimeable number, because it can be changed into a prime (312420004230343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246011436 + ... + 247278115.

It is an arithmetic number, because the mean of its divisors is an integer number (27337613682288).

Almost surely, 2^{312420004230340} is an apocalyptic number.

It is an amenable number.

312420004230340 is an abundant number, since it is smaller than the sum of its proper divisors (343682724144572).

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

312420004230340 is a wasteful number, since it uses less digits than its factorization.

312420004230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493321227 (or 493321225 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 312420004230340 its reverse (43032400024213), we get a palindrome (355452404254553).

The spelling of 312420004230340 in words is "three hundred twelve trillion, four hundred twenty billion, four million, two hundred thirty thousand, three hundred forty".