64306314306531 has 24 divisors (see below), whose sum is σ = 101332732760064. Its totient is φ = 38972919659760.

The previous prime is 64306314306467. The next prime is 64306314306587. The reversal of 64306314306531 is 13560341360346.

It is a happy number.

64306314306531 is a `hidden beast` number, since 6 + 4 + 3 + 0 + 631 + 4 + 3 + 0 + 6 + 5 + 3 + 1 = 666.

It is not a de Polignac number, because 64306314306531 - 2⁶ = 64306314306467 is a prime.

It is a super-2 number, since 2×64306314306531² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64306314301531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1425550 + ... + 11429996.

It is an arithmetic number, because the mean of its divisors is an integer number (4222197198336).

Almost surely, 2^{64306314306531} is an apocalyptic number.

64306314306531 is a deficient number, since it is larger than the sum of its proper divisors (37026418453533).

64306314306531 is a wasteful number, since it uses less digits than its factorization.

64306314306531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069391 (or 10069388 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

Adding to 64306314306531 its reverse (13560341360346), we get a palindrome (77866655666877).

The spelling of 64306314306531 in words is "sixty-four trillion, three hundred six billion, three hundred fourteen million, three hundred six thousand, five hundred thirty-one".