32512215343 has 4 divisors (see below), whose sum is σ = 32513132808. Its totient is φ = 32511297880.

The previous prime is 32512215331. The next prime is 32512215347. The reversal of 32512215343 is 34351221523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32512215343 - 2⁵ = 32512215311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32512215347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403348 + ... + 477193.

It is an arithmetic number, because the mean of its divisors is an integer number (8128283202).

Almost surely, 2^32512215343 is an apocalyptic number.

32512215343 is a deficient number, since it is larger than the sum of its proper divisors (917465).

32512215343 is an equidigital number, since it uses as much as digits as its factorization.

32512215343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917464.

The product of its digits is 21600, while the sum is 31.

Adding to 32512215343 its reverse (34351221523), we get a palindrome (66863436866).

The spelling of 32512215343 in words is "thirty-two billion, five hundred twelve million, two hundred fifteen thousand, three hundred forty-three".