315000806312 has 16 divisors (see below), whose sum is σ = 590633877600. Its totient is φ = 157498438960.

The previous prime is 315000806273. The next prime is 315000806317. The reversal of 315000806312 is 213608000513.

It is not an unprimeable number, because it can be changed into a prime (315000806317) 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, 612389 + ... + 1002507.

It is an arithmetic number, because the mean of its divisors is an integer number (36914617350).

Almost surely, 2^315000806312 is an apocalyptic number.

It is an amenable number.

315000806312 is a deficient number, since it is larger than the sum of its proper divisors (275633071288).

315000806312 is a wasteful number, since it uses less digits than its factorization.

315000806312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491056 (or 491052 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 315000806312 its reverse (213608000513), we get a palindrome (528608806825).

The spelling of 315000806312 in words is "three hundred fifteen billion, eight hundred six thousand, three hundred twelve".