64315002312 has 48 divisors (see below), whose sum is σ = 190021600080. Its totient is φ = 19489394400.

The previous prime is 64315002263. The next prime is 64315002341. The reversal of 64315002312 is 21320051346.

64315002312 is a `hidden beast` number, since 643 + 1 + 5 + 0 + 0 + 2 + 3 + 12 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40602114 + ... + 40603697.

It is an arithmetic number, because the mean of its divisors is an integer number (3958783335).

Almost surely, 2^64315002312 is an apocalyptic number.

It is an amenable number.

64315002312 is an abundant number, since it is smaller than the sum of its proper divisors (125706597768).

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

64315002312 is a wasteful number, since it uses less digits than its factorization.

64315002312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81205834 (or 81205827 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 64315002312 its reverse (21320051346), we get a palindrome (85635053658).

The spelling of 64315002312 in words is "sixty-four billion, three hundred fifteen million, two thousand, three hundred twelve".