32315342513 has 4 divisors (see below), whose sum is σ = 33002903040. Its totient is φ = 31627781988.

The previous prime is 32315342497. The next prime is 32315342531. The reversal of 32315342513 is 31524351323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31524351323 = 13729 ⋅2296187.

It is a cyclic number.

It is not a de Polignac number, because 32315342513 - 2⁴ = 32315342497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32315342513.

It is not an unprimeable number, because it can be changed into a prime (32315342533) 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, 343780193 + ... + 343780286.

It is an arithmetic number, because the mean of its divisors is an integer number (8250725760).

Almost surely, 2^32315342513 is an apocalyptic number.

It is an amenable number.

32315342513 is a deficient number, since it is larger than the sum of its proper divisors (687560527).

32315342513 is an equidigital number, since it uses as much as digits as its factorization.

32315342513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687560526.

The product of its digits is 32400, while the sum is 32.

Adding to 32315342513 its reverse (31524351323), we get a palindrome (63839693836).

The spelling of 32315342513 in words is "thirty-two billion, three hundred fifteen million, three hundred forty-two thousand, five hundred thirteen".