64112313531 has 8 divisors (see below), whose sum is σ = 97694953984. Its totient is φ = 36635607720.

The previous prime is 64112313521. The next prime is 64112313541. The reversal of 64112313531 is 13531321146.

It is an interprime number because it is at equal distance from previous prime (64112313521) and next prime (64112313541).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64112313531 - 2¹⁴ = 64112297147 is a prime.

It is a super-2 number, since 2×64112313531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64112313521) 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, 1526483635 + ... + 1526483676.

It is an arithmetic number, because the mean of its divisors is an integer number (12211869248).

Almost surely, 2^64112313531 is an apocalyptic number.

64112313531 is a deficient number, since it is larger than the sum of its proper divisors (33582640453).

64112313531 is a wasteful number, since it uses less digits than its factorization.

64112313531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052967321.

The product of its digits is 6480, while the sum is 30.

Adding to 64112313531 its reverse (13531321146), we get a palindrome (77643634677).

The spelling of 64112313531 in words is "sixty-four billion, one hundred twelve million, three hundred thirteen thousand, five hundred thirty-one".