32013343121 has 4 divisors (see below), whose sum is σ = 32014101744. Its totient is φ = 32012584500.

The previous prime is 32013343051. The next prime is 32013343151. The reversal of 32013343121 is 12134331023.

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: 12134331023 = 31 ⋅391430033.

It is a cyclic number.

It is not a de Polignac number, because 32013343121 - 2¹⁸ = 32013080977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32013343151) 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, 312035 + ... + 401736.

It is an arithmetic number, because the mean of its divisors is an integer number (8003525436).

Almost surely, 2^32013343121 is an apocalyptic number.

It is an amenable number.

32013343121 is a deficient number, since it is larger than the sum of its proper divisors (758623).

32013343121 is an equidigital number, since it uses as much as digits as its factorization.

32013343121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758622.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 32013343121 its reverse (12134331023), we get a palindrome (44147674144).

The spelling of 32013343121 in words is "thirty-two billion, thirteen million, three hundred forty-three thousand, one hundred twenty-one".