315464312065 has 24 divisors (see below), whose sum is σ = 459508628160. Its totient is φ = 206913234528.

The previous prime is 315464312027. The next prime is 315464312081. The reversal of 315464312065 is 560213464513.

It is not a de Polignac number, because 315464312065 - 2²³ = 315455923457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27985875 + ... + 27997144.

It is an arithmetic number, because the mean of its divisors is an integer number (19146192840).

Almost surely, 2^315464312065 is an apocalyptic number.

315464312065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

315464312065 is a deficient number, since it is larger than the sum of its proper divisors (144044316095).

315464312065 is a wasteful number, since it uses less digits than its factorization.

315464312065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55983061 (or 55983054 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 315464312065 its reverse (560213464513), we get a palindrome (875677776578).

The spelling of 315464312065 in words is "three hundred fifteen billion, four hundred sixty-four million, three hundred twelve thousand, sixty-five".